72102338 has 32 divisors (see below), whose sum is σ = 142777728. Its totient is φ = 26438400.

The previous prime is 72102337. The next prime is 72102347. The reversal of 72102338 is 83320127.

It is not an unprimeable number, because it can be changed into a prime (72102337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11153 + ... + 16388.

It is an arithmetic number, because the mean of its divisors is an integer number (4461804).

Almost surely, 2^72102338 is an apocalyptic number.

72102338 is a deficient number, since it is larger than the sum of its proper divisors (70675390).

72102338 is a wasteful number, since it uses less digits than its factorization.

72102338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27578.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 72102338 is about 8491.3095574240. The cubic root of 72102338 is about 416.2137746493.

The spelling of 72102338 in words is "seventy-two million, one hundred two thousand, three hundred thirty-eight".