72807339 has 8 divisors (see below), whose sum is σ = 105901632. Its totient is φ = 44125640.

The previous prime is 72807331. The next prime is 72807347. The reversal of 72807339 is 93370827.

It is an interprime number because it is at equal distance from previous prime (72807331) and next prime (72807347).

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 72807339 - 2³ = 72807331 is a prime.

It is a super-2 number, since 2×72807339² = 10601817224521842, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 72807297 and 72807306.

It is not an unprimeable number, because it can be changed into a prime (72807331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1103109 + ... + 1103174.

It is an arithmetic number, because the mean of its divisors is an integer number (13237704).

Almost surely, 2^72807339 is an apocalyptic number.

72807339 is a deficient number, since it is larger than the sum of its proper divisors (33094293).

72807339 is a wasteful number, since it uses less digits than its factorization.

72807339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206297.

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 72807339 is about 8532.7216642757. The cubic root of 72807339 is about 417.5659264579.

The spelling of 72807339 in words is "seventy-two million, eight hundred seven thousand, three hundred thirty-nine".