74952528 has 80 divisors (see below), whose sum is σ = 227306880. Its totient is φ = 20832768.

The previous prime is 74952523. The next prime is 74952539. The reversal of 74952528 is 82525947.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 74952528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74952523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9418 + ... + 15446.

It is an arithmetic number, because the mean of its divisors is an integer number (2841336).

Almost surely, 2^74952528 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 74952528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113653440).

74952528 is an abundant number, since it is smaller than the sum of its proper divisors (152354352).

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

74952528 is a wasteful number, since it uses less digits than its factorization.

74952528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6084 (or 6078 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The square root of 74952528 is about 8657.5128068054. The cubic root of 74952528 is about 421.6273373481.

The spelling of 74952528 in words is "seventy-four million, nine hundred fifty-two thousand, five hundred twenty-eight".