30770160 has 80 divisors (see below), whose sum is σ = 98699040. Its totient is φ = 7920640.

The previous prime is 30770149. The next prime is 30770161. The reversal of 30770160 is 6107703.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 30770160.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30770161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4750 + ... + 9170.

It is an arithmetic number, because the mean of its divisors is an integer number (1233738).

Almost surely, 2^30770160 is an apocalyptic number.

30770160 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30770160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49349520).

30770160 is an abundant number, since it is smaller than the sum of its proper divisors (67928880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30770160 is a wasteful number, since it uses less digits than its factorization.

30770160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4466 (or 4460 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 24.

The square root of 30770160 is about 5547.0857213495. The cubic root of 30770160 is about 313.3597784631.

Adding to 30770160 its reverse (6107703), we get a palindrome (36877863).

The spelling of 30770160 in words is "thirty million, seven hundred seventy thousand, one hundred sixty".