74722568 has 16 divisors (see below), whose sum is σ = 140415660. Its totient is φ = 37278400.

The previous prime is 74722567. The next prime is 74722577. The reversal of 74722568 is 86522747.

It can be written as a sum of positive squares in 2 ways, for example, as 61748164 + 12974404 = 7858^2 + 3602^2 .

It is not an unprimeable number, because it can be changed into a prime (74722567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6443 + ... + 13818.

Almost surely, 2^74722568 is an apocalyptic number.

It is an amenable number.

74722568 is a deficient number, since it is larger than the sum of its proper divisors (65693092).

74722568 is a wasteful number, since it uses less digits than its factorization.

74722568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20728 (or 20724 counting only the distinct ones).

The product of its digits is 188160, while the sum is 41.

The square root of 74722568 is about 8644.2216537986. The cubic root of 74722568 is about 421.1957008087.

The spelling of 74722568 in words is "seventy-four million, seven hundred twenty-two thousand, five hundred sixty-eight".