49170720 has 96 divisors (see below), whose sum is σ = 156764160. Its totient is φ = 12953600.

The previous prime is 49170713. The next prime is 49170733. The reversal of 49170720 is 2707194.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 42145 + ... + 43295.

It is an arithmetic number, because the mean of its divisors is an integer number (1632960).

Almost surely, 2^49170720 is an apocalyptic number.

49170720 is a gapful number since it is divisible by the number (40) 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 49170720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78382080).

49170720 is an abundant number, since it is smaller than the sum of its proper divisors (107593440).

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

49170720 is a wasteful number, since it uses less digits than its factorization.

49170720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258 (or 1250 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 49170720 is about 7012.1836827054. The cubic root of 49170720 is about 366.3550557306.

The spelling of 49170720 in words is "forty-nine million, one hundred seventy thousand, seven hundred twenty".