72330406 has 8 divisors (see below), whose sum is σ = 108804024. Its totient is φ = 36062400.

The previous prime is 72330373. The next prime is 72330407. The reversal of 72330406 is 60403327.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72330407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50520 + ... + 51931.

It is an arithmetic number, because the mean of its divisors is an integer number (13600503).

Almost surely, 2^72330406 is an apocalyptic number.

72330406 is a deficient number, since it is larger than the sum of its proper divisors (36473618).

72330406 is a wasteful number, since it uses less digits than its factorization.

72330406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102806.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 72330406 is about 8504.7284495156. The cubic root of 72330406 is about 416.6521567925.

The spelling of 72330406 in words is "seventy-two million, three hundred thirty thousand, four hundred six".