74972422 has 32 divisors (see below), whose sum is σ = 132710400. Its totient is φ = 31101408.

The previous prime is 74972407. The next prime is 74972437. The reversal of 74972422 is 22427947.

It is an interprime number because it is at equal distance from previous prime (74972407) and next prime (74972437).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57979 + ... + 59257.

It is an arithmetic number, because the mean of its divisors is an integer number (4147200).

Almost surely, 2^74972422 is an apocalyptic number.

74972422 is a deficient number, since it is larger than the sum of its proper divisors (57737978).

74972422 is a wasteful number, since it uses less digits than its factorization.

74972422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420.

The product of its digits is 56448, while the sum is 37.

The square root of 74972422 is about 8658.6616748779. The cubic root of 74972422 is about 421.6646370118.

The spelling of 74972422 in words is "seventy-four million, nine hundred seventy-two thousand, four hundred twenty-two".