74727568 has 20 divisors (see below), whose sum is σ = 148698940. Its totient is φ = 36353664.

The previous prime is 74727557. The next prime is 74727581. The reversal of 74727568 is 86572747.

It can be written as a sum of positive squares in 2 ways, for example, as 39538944 + 35188624 = 6288^2 + 5932^2 .

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, 62523 + ... + 63706.

It is an arithmetic number, because the mean of its divisors is an integer number (7434947).

Almost surely, 2^74727568 is an apocalyptic number.

It is an amenable number.

74727568 is a deficient number, since it is larger than the sum of its proper divisors (73971372).

74727568 is a wasteful number, since it uses less digits than its factorization.

74727568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126274 (or 126268 counting only the distinct ones).

The product of its digits is 658560, while the sum is 46.

The square root of 74727568 is about 8644.5108594992. The cubic root of 74727568 is about 421.2050952553.

The spelling of 74727568 in words is "seventy-four million, seven hundred twenty-seven thousand, five hundred sixty-eight".