72669274 has 16 divisors (see below), whose sum is σ = 110020680. Its totient is φ = 35997760.

The previous prime is 72669253. The next prime is 72669299. The reversal of 72669274 is 47296627.

It can be written as a sum of positive squares in 4 ways, for example, as 57653649 + 15015625 = 7593^2 + 3875^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 72669274.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157404 + ... + 157864.

Almost surely, 2^72669274 is an apocalyptic number.

72669274 is a deficient number, since it is larger than the sum of its proper divisors (37351406).

72669274 is a wasteful number, since it uses less digits than its factorization.

72669274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025.

The product of its digits is 254016, while the sum is 43.

The square root of 72669274 is about 8524.6274991931. The cubic root of 72669274 is about 417.3018151731.

The spelling of 72669274 in words is "seventy-two million, six hundred sixty-nine thousand, two hundred seventy-four".