72476506 has 4 divisors (see below), whose sum is σ = 108714762. Its totient is φ = 36238252.

The previous prime is 72476471. The next prime is 72476567. The reversal of 72476506 is 60567427.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60567427 = 3659 ⋅16553.

It can be written as a sum of positive squares in only one way, i.e., 67815225 + 4661281 = 8235^2 + 2159^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18119125 + ... + 18119128.

Almost surely, 2^72476506 is an apocalyptic number.

72476506 is a deficient number, since it is larger than the sum of its proper divisors (36238256).

72476506 is a wasteful number, since it uses less digits than its factorization.

72476506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36238255.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 72476506 is about 8513.3134559935. The cubic root of 72476506 is about 416.9324996605.

The spelling of 72476506 in words is "seventy-two million, four hundred seventy-six thousand, five hundred six".