74442632 has 64 divisors (see below), whose sum is σ = 158146560. Its totient is φ = 32558400.

The previous prime is 74442629. The next prime is 74442679. The reversal of 74442632 is 23624447.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389657 + ... + 389847.

It is an arithmetic number, because the mean of its divisors is an integer number (2471040).

Almost surely, 2^74442632 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 74442632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79073280).

74442632 is an abundant number, since it is smaller than the sum of its proper divisors (83703928).

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

74442632 is a wasteful number, since it uses less digits than its factorization.

74442632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354 (or 350 counting only the distinct ones).

The product of its digits is 32256, while the sum is 32.

The square root of 74442632 is about 8628.0143718007. The cubic root of 74442632 is about 420.6690621106.

The spelling of 74442632 in words is "seventy-four million, four hundred forty-two thousand, six hundred thirty-two".