74631772 has 24 divisors (see below), whose sum is σ = 138050640. Its totient is φ = 35205120.

The previous prime is 74631743. The next prime is 74631779. The reversal of 74631772 is 27713647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74631779) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 17622 + ... + 21442.

It is an arithmetic number, because the mean of its divisors is an integer number (5752110).

Almost surely, 2^74631772 is an apocalyptic number.

It is an amenable number.

74631772 is a deficient number, since it is larger than the sum of its proper divisors (63418868).

74631772 is a wasteful number, since it uses less digits than its factorization.

74631772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4101 (or 4099 counting only the distinct ones).

The product of its digits is 49392, while the sum is 37.

The square root of 74631772 is about 8638.9682254306. The cubic root of 74631772 is about 421.0250322227.

The spelling of 74631772 in words is "seventy-four million, six hundred thirty-one thousand, seven hundred seventy-two".