72438382 has 8 divisors (see below), whose sum is σ = 112162752. Its totient is φ = 35050800.

The previous prime is 72438347. The next prime is 72438397. The reversal of 72438382 is 28383427.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 584119 + ... + 584242.

It is an arithmetic number, because the mean of its divisors is an integer number (14020344).

Almost surely, 2^72438382 is an apocalyptic number.

72438382 is a deficient number, since it is larger than the sum of its proper divisors (39724370).

72438382 is a wasteful number, since it uses less digits than its factorization.

72438382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168394.

The product of its digits is 64512, while the sum is 37.

The square root of 72438382 is about 8511.0740802792. The cubic root of 72438382 is about 416.8593820699.

It can be divided in two parts, 7243 and 8382, that added together give a 6-th power (15625 = 5⁶).

The spelling of 72438382 in words is "seventy-two million, four hundred thirty-eight thousand, three hundred eighty-two".