72630232 has 16 divisors (see below), whose sum is σ = 136936800. Its totient is φ = 36113760.

The previous prime is 72630227. The next prime is 72630247. The reversal of 72630232 is 23203627.

It is a junction number, because it is equal to n+sod(n) for n = 72630197 and 72630206.

It is a congruent number.

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, 23632 + ... + 26527.

It is an arithmetic number, because the mean of its divisors is an integer number (8558550).

Almost surely, 2^72630232 is an apocalyptic number.

It is an amenable number.

72630232 is a deficient number, since it is larger than the sum of its proper divisors (64306568).

72630232 is a wasteful number, since it uses less digits than its factorization.

72630232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50346 (or 50342 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 72630232 is about 8522.3372381055. The cubic root of 72630232 is about 417.2270691576.

Adding to 72630232 its reverse (23203627), we get a palindrome (95833859).

It can be divided in two parts, 7263023 and 2, that added together give a square (7263025 = 2695²).

The spelling of 72630232 in words is "seventy-two million, six hundred thirty thousand, two hundred thirty-two".