72650024 has 16 divisors (see below), whose sum is σ = 138452820. Its totient is φ = 35729280.

The previous prime is 72650003. The next prime is 72650041. The reversal of 72650024 is 42005627.

It can be written as a sum of positive squares in 2 ways, for example, as 53553124 + 19096900 = 7318^2 + 4370^2 .

It is a junction number, because it is equal to n+sod(n) for n = 72649975 and 72650002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73949 + ... + 74924.

Almost surely, 2^72650024 is an apocalyptic number.

It is an amenable number.

72650024 is a deficient number, since it is larger than the sum of its proper divisors (65802796).

72650024 is a wasteful number, since it uses less digits than its factorization.

72650024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148940 (or 148936 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 72650024 is about 8523.4983428168. The cubic root of 72650024 is about 417.2649643423.

The spelling of 72650024 in words is "seventy-two million, six hundred fifty thousand, twenty-four".