72230632 has 32 divisors (see below), whose sum is σ = 138600000. Its totient is φ = 35278848.

The previous prime is 72230593. The next prime is 72230657. The reversal of 72230632 is 23603227.

It is a junction number, because it is equal to n+sod(n) for n = 72230597 and 72230606.

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, 93544 + ... + 94312.

It is an arithmetic number, because the mean of its divisors is an integer number (4331250).

Almost surely, 2^72230632 is an apocalyptic number.

It is an amenable number.

72230632 is a deficient number, since it is larger than the sum of its proper divisors (66369368).

72230632 is a wasteful number, since it uses less digits than its factorization.

72230632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033 (or 1029 counting only the distinct ones).

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

The square root of 72230632 is about 8498.8606295197. The cubic root of 72230632 is about 416.4604892127.

Adding to 72230632 its reverse (23603227), we get a palindrome (95833859).

The spelling of 72230632 in words is "seventy-two million, two hundred thirty thousand, six hundred thirty-two".