72323032 has 32 divisors (see below), whose sum is σ = 144126000. Its totient is φ = 33905664.

The previous prime is 72323029. The next prime is 72323059. The reversal of 72323032 is 23032327.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 72322994 and 72323012.

It is a congruent number.

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, 41719 + ... + 43417.

Almost surely, 2^72323032 is an apocalyptic number.

It is an amenable number.

72323032 is a deficient number, since it is larger than the sum of its proper divisors (71802968).

72323032 is a wasteful number, since it uses less digits than its factorization.

72323032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2035 (or 2031 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 22.

The square root of 72323032 is about 8504.2949149239. The cubic root of 72323032 is about 416.6379972452.

Adding to 72323032 its reverse (23032327), we get a palindrome (95355359).

The spelling of 72323032 in words is "seventy-two million, three hundred twenty-three thousand, thirty-two".