74922772 has 12 divisors (see below), whose sum is σ = 132695136. Its totient is φ = 37009880.

The previous prime is 74922769. The next prime is 74922773. The reversal of 74922772 is 27722947.

It is a super-2 number, since 2×74922772² = 11226843528327968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74922773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112504 + ... + 113167.

It is an arithmetic number, because the mean of its divisors is an integer number (11057928).

Almost surely, 2^74922772 is an apocalyptic number.

It is an amenable number.

74922772 is a deficient number, since it is larger than the sum of its proper divisors (57772364).

74922772 is a wasteful number, since it uses less digits than its factorization.

74922772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225758 (or 225756 counting only the distinct ones).

The product of its digits is 98784, while the sum is 40.

The square root of 74922772 is about 8655.7941287903. The cubic root of 74922772 is about 421.5715349000.

The spelling of 74922772 in words is "seventy-four million, nine hundred twenty-two thousand, seven hundred seventy-two".