30071104 has 84 divisors (see below), whose sum is σ = 71347584. Its totient is φ = 12531456.

The previous prime is 30071101. The next prime is 30071123. The reversal of 30071104 is 40117003.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30071101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134737 + ... + 134959.

It is an arithmetic number, because the mean of its divisors is an integer number (849376).

Almost surely, 2^30071104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30071104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35673792).

30071104 is an abundant number, since it is smaller than the sum of its proper divisors (41276480).

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

30071104 is a wasteful number, since it uses less digits than its factorization.

30071104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 30071104 is about 5483.7126109963. The cubic root of 30071104 is about 310.9685420840.

Adding to 30071104 its reverse (40117003), we get a palindrome (70188107).

The spelling of 30071104 in words is "thirty million, seventy-one thousand, one hundred four".