72338515 has 8 divisors (see below), whose sum is σ = 89152560. Its totient is φ = 56306592.

The previous prime is 72338509. The next prime is 72338521. The reversal of 72338515 is 51583327.

It is an interprime number because it is at equal distance from previous prime (72338509) and next prime (72338521).

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

It is a cyclic number.

It is not a de Polignac number, because 72338515 - 2³ = 72338507 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195325 + ... + 195694.

It is an arithmetic number, because the mean of its divisors is an integer number (11144070).

Almost surely, 2^72338515 is an apocalyptic number.

72338515 is a deficient number, since it is larger than the sum of its proper divisors (16814045).

72338515 is a wasteful number, since it uses less digits than its factorization.

72338515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391061.

The product of its digits is 25200, while the sum is 34.

The square root of 72338515 is about 8505.2051709527. The cubic root of 72338515 is about 416.6677265751.

The spelling of 72338515 in words is "seventy-two million, three hundred thirty-eight thousand, five hundred fifteen".