72338668 has 6 divisors (see below), whose sum is σ = 126592676. Its totient is φ = 36169332.

The previous prime is 72338639. The next prime is 72338671. The reversal of 72338668 is 86683327.

It is a super-3 number, since 3×72338668³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9042330 + ... + 9042337.

Almost surely, 2^72338668 is an apocalyptic number.

It is an amenable number.

72338668 is a deficient number, since it is larger than the sum of its proper divisors (54254008).

72338668 is a wasteful number, since it uses less digits than its factorization.

72338668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18084671 (or 18084669 counting only the distinct ones).

The product of its digits is 290304, while the sum is 43.

The square root of 72338668 is about 8505.2141654399. The cubic root of 72338668 is about 416.6680203334.

The spelling of 72338668 in words is "seventy-two million, three hundred thirty-eight thousand, six hundred sixty-eight".