72830412 has 18 divisors (see below), whose sum is σ = 184099188. Its totient is φ = 24276792.

The previous prime is 72830399. The next prime is 72830447. The reversal of 72830412 is 21403827.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1011498 + ... + 1011569.

Almost surely, 2^72830412 is an apocalyptic number.

It is an amenable number.

72830412 is an abundant number, since it is smaller than the sum of its proper divisors (111268776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72830412 is a wasteful number, since it uses less digits than its factorization.

72830412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023077 (or 2023072 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 72830412 is about 8534.0735876837. The cubic root of 72830412 is about 417.6100313572.

The spelling of 72830412 in words is "seventy-two million, eight hundred thirty thousand, four hundred twelve".