74666772 has 30 divisors (see below), whose sum is σ = 195194538. Its totient is φ = 24888816.

The previous prime is 74666759. The next prime is 74666783. The reversal of 74666772 is 27766647.

It can be written as a sum of positive squares in only one way, i.e., 72488196 + 2178576 = 8514^2 + 1476^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 114903 + ... + 115550.

Almost surely, 2^74666772 is an apocalyptic number.

It is an amenable number.

74666772 is an abundant number, since it is smaller than the sum of its proper divisors (120527766).

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

74666772 is a wasteful number, since it uses less digits than its factorization.

74666772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230469 (or 230458 counting only the distinct ones).

The product of its digits is 592704, while the sum is 45.

The square root of 74666772 is about 8640.9936928573. The cubic root of 74666772 is about 421.0908378565.

The spelling of 74666772 in words is "seventy-four million, six hundred sixty-six thousand, seven hundred seventy-two".