74372768 has 12 divisors (see below), whose sum is σ = 146421450. Its totient is φ = 37186368.

The previous prime is 74372741. The next prime is 74372801. The reversal of 74372768 is 86727347.

It can be written as a sum of positive squares in only one way, i.e., 71031184 + 3341584 = 8428^2 + 1828^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1162043 + ... + 1162106.

Almost surely, 2^74372768 is an apocalyptic number.

It is an amenable number.

74372768 is a deficient number, since it is larger than the sum of its proper divisors (72048682).

74372768 is a wasteful number, since it uses less digits than its factorization.

74372768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2324159 (or 2324151 counting only the distinct ones).

The product of its digits is 395136, while the sum is 44.

The square root of 74372768 is about 8623.9647494641. The cubic root of 74372768 is about 420.5374223886.

The spelling of 74372768 in words is "seventy-four million, three hundred seventy-two thousand, seven hundred sixty-eight".