72474562 has 4 divisors (see below), whose sum is σ = 108711846. Its totient is φ = 36237280.

The previous prime is 72474547. The next prime is 72474581. The reversal of 72474562 is 26547427.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26547427 = 19 ⋅1397233.

It can be written as a sum of positive squares in only one way, i.e., 44076321 + 28398241 = 6639^2 + 5329^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18118639 + ... + 18118642.

Almost surely, 2^72474562 is an apocalyptic number.

72474562 is a deficient number, since it is larger than the sum of its proper divisors (36237284).

72474562 is a wasteful number, since it uses less digits than its factorization.

72474562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36237283.

The product of its digits is 94080, while the sum is 37.

The square root of 72474562 is about 8513.1992811164. The cubic root of 72474562 is about 416.9287719052.

The spelling of 72474562 in words is "seventy-two million, four hundred seventy-four thousand, five hundred sixty-two".