72463356 has 72 divisors (see below), whose sum is σ = 218556240. Its totient is φ = 20702304.

The previous prime is 72463327. The next prime is 72463357. The reversal of 72463356 is 65336427.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 72463356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72463357) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1555 + ... + 12138.

Almost surely, 2^72463356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72463356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109278120).

72463356 is an abundant number, since it is smaller than the sum of its proper divisors (146092884).

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

72463356 is a wasteful number, since it uses less digits than its factorization.

72463356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13720 (or 13705 counting only the distinct ones).

The product of its digits is 90720, while the sum is 36.

The square root of 72463356 is about 8512.5411012224. The cubic root of 72463356 is about 416.9072823209.

The spelling of 72463356 in words is "seventy-two million, four hundred sixty-three thousand, three hundred fifty-six".