74782252 has 24 divisors (see below), whose sum is σ = 145862640. Its totient is φ = 33338880.

The previous prime is 74782229. The next prime is 74782277. The reversal of 74782252 is 25228747.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27649 + ... + 30232.

It is an arithmetic number, because the mean of its divisors is an integer number (6077610).

Almost surely, 2^74782252 is an apocalyptic number.

It is an amenable number.

74782252 is a deficient number, since it is larger than the sum of its proper divisors (71080388).

74782252 is a wasteful number, since it uses less digits than its factorization.

74782252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57921 (or 57919 counting only the distinct ones).

The product of its digits is 62720, while the sum is 37.

The square root of 74782252 is about 8647.6732130672. The cubic root of 74782252 is about 421.3078130962.

It can be divided in two parts, 7478 and 2252, that added together give a triangular number (9730 = T₁₃₉).

The spelling of 74782252 in words is "seventy-four million, seven hundred eighty-two thousand, two hundred fifty-two".