74668752 has 30 divisors (see below), whose sum is σ = 208969202. Its totient is φ = 24889536.

The previous prime is 74668747. The next prime is 74668771. The reversal of 74668752 is 25786647.

It can be written as a sum of positive squares in only one way, i.e., 70157376 + 4511376 = 8376^2 + 2124^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74668698 and 74668707.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 259123 + ... + 259410.

Almost surely, 2^74668752 is an apocalyptic number.

74668752 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

74668752 is an abundant number, since it is smaller than the sum of its proper divisors (134300450).

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

74668752 is a wasteful number, since it uses less digits than its factorization.

74668752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518547 (or 518538 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 74668752 is about 8641.1082622543. The cubic root of 74668752 is about 421.0945599606.

The spelling of 74668752 in words is "seventy-four million, six hundred sixty-eight thousand, seven hundred fifty-two".