74772248 has 16 divisors (see below), whose sum is σ = 144720960. Its totient is φ = 36180000.

The previous prime is 74772209. The next prime is 74772251. The reversal of 74772248 is 84227747.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150503 + ... + 150998.

It is an arithmetic number, because the mean of its divisors is an integer number (9045060).

Almost surely, 2^74772248 is an apocalyptic number.

It is an amenable number.

74772248 is a deficient number, since it is larger than the sum of its proper divisors (69948712).

74772248 is a wasteful number, since it uses less digits than its factorization.

74772248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301538 (or 301534 counting only the distinct ones).

The product of its digits is 175616, while the sum is 41.

The square root of 74772248 is about 8647.0947722342. The cubic root of 74772248 is about 421.2890254329.

The spelling of 74772248 in words is "seventy-four million, seven hundred seventy-two thousand, two hundred forty-eight".