72359436 has 12 divisors (see below), whose sum is σ = 168838712. Its totient is φ = 24119808.

The previous prime is 72359431. The next prime is 72359459. The reversal of 72359436 is 63495327.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 72359394 and 72359403.

It is not an unprimeable number, because it can be changed into a prime (72359431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3014965 + ... + 3014988.

Almost surely, 2^72359436 is an apocalyptic number.

It is an amenable number.

72359436 is an abundant number, since it is smaller than the sum of its proper divisors (96479276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72359436 is a wasteful number, since it uses less digits than its factorization.

72359436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6029960 (or 6029958 counting only the distinct ones).

The product of its digits is 136080, while the sum is 39.

The square root of 72359436 is about 8506.4349759462. The cubic root of 72359436 is about 416.7078908190.

The spelling of 72359436 in words is "seventy-two million, three hundred fifty-nine thousand, four hundred thirty-six".