74157252 has 24 divisors (see below), whose sum is σ = 186344256. Its totient is φ = 22817568.

The previous prime is 74157217. The next prime is 74157257. The reversal of 74157252 is 25275147.

It is not an unprimeable number, because it can be changed into a prime (74157257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237528 + ... + 237839.

It is an arithmetic number, because the mean of its divisors is an integer number (7764344).

Almost surely, 2^74157252 is an apocalyptic number.

It is an amenable number.

74157252 is an abundant number, since it is smaller than the sum of its proper divisors (112187004).

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

74157252 is a wasteful number, since it uses less digits than its factorization.

74157252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475387 (or 475385 counting only the distinct ones).

The product of its digits is 19600, while the sum is 33.

The square root of 74157252 is about 8611.4605033060. The cubic root of 74157252 is about 420.1308209259.

The spelling of 74157252 in words is "seventy-four million, one hundred fifty-seven thousand, two hundred fifty-two".