74895720 has 128 divisors (see below), whose sum is σ = 239500800. Its totient is φ = 18683136.

The previous prime is 74895703. The next prime is 74895757. The reversal of 74895720 is 2759847.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 243807 + ... + 244113.

It is an arithmetic number, because the mean of its divisors is an integer number (1871100).

Almost surely, 2^74895720 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 74895720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119750400).

74895720 is an abundant number, since it is smaller than the sum of its proper divisors (164605080).

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

74895720 is a wasteful number, since it uses less digits than its factorization.

74895720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447 (or 443 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 74895720 is about 8654.2313350176. The cubic root of 74895720 is about 421.5207905326.

The spelling of 74895720 in words is "seventy-four million, eight hundred ninety-five thousand, seven hundred twenty".