72316502 has 8 divisors (see below), whose sum is σ = 108845856. Its totient is φ = 36034552.

The previous prime is 72316483. The next prime is 72316513. The reversal of 72316502 is 20561327.

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, 61118 + ... + 62289.

It is an arithmetic number, because the mean of its divisors is an integer number (13605732).

Almost surely, 2^72316502 is an apocalyptic number.

72316502 is a deficient number, since it is larger than the sum of its proper divisors (36529354).

72316502 is a wasteful number, since it uses less digits than its factorization.

72316502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123702.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 72316502 is about 8503.9109826009. The cubic root of 72316502 is about 416.6254575423.

Adding to 72316502 its reverse (20561327), we get a palindrome (92877829).

The spelling of 72316502 in words is "seventy-two million, three hundred sixteen thousand, five hundred two".