74644752 has 160 divisors (see below), whose sum is σ = 247984128. Its totient is φ = 18805248.

The previous prime is 74644741. The next prime is 74644769. The reversal of 74644752 is 25744647.

It is a super-2 number, since 2×74644752² = 11143678002283008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 74644752.

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, 100093 + ... + 100835.

Almost surely, 2^74644752 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 74644752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123992064).

74644752 is an abundant number, since it is smaller than the sum of its proper divisors (173339376).

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

74644752 is a wasteful number, since it uses less digits than its factorization.

74644752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797 (or 791 counting only the distinct ones).

The product of its digits is 188160, while the sum is 39.

The square root of 74644752 is about 8639.7194398892. The cubic root of 74644752 is about 421.0494391118.

The spelling of 74644752 in words is "seventy-four million, six hundred forty-four thousand, seven hundred fifty-two".