74632152 has 128 divisors (see below), whose sum is σ = 227635200. Its totient is φ = 19916928.

The previous prime is 74632139. The next prime is 74632183. The reversal of 74632152 is 25123647.

It is a super-2 number, since 2×74632152² = 11139916224302208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 328663 + ... + 328889.

It is an arithmetic number, because the mean of its divisors is an integer number (1778400).

Almost surely, 2^74632152 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 74632152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113817600).

74632152 is an abundant number, since it is smaller than the sum of its proper divisors (153003048).

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

74632152 is a wasteful number, since it uses less digits than its factorization.

74632152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 361 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 74632152 is about 8638.9902187698. The cubic root of 74632152 is about 421.0257467944.

Adding to 74632152 its reverse (25123647), we get a palindrome (99755799).

The spelling of 74632152 in words is "seventy-four million, six hundred thirty-two thousand, one hundred fifty-two".