72870708 has 72 divisors (see below), whose sum is σ = 180169920. Its totient is φ = 22915200.

The previous prime is 72870701. The next prime is 72870713. The reversal of 72870708 is 80707827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72870701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 818728 + ... + 818816.

It is an arithmetic number, because the mean of its divisors is an integer number (2502360).

Almost surely, 2^72870708 is an apocalyptic number.

It is an amenable number.

72870708 is an abundant number, since it is smaller than the sum of its proper divisors (107299212).

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

72870708 is a wasteful number, since it uses less digits than its factorization.

72870708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 39.

The square root of 72870708 is about 8536.4341501590. The cubic root of 72870708 is about 417.6870363279.

The spelling of 72870708 in words is "seventy-two million, eight hundred seventy thousand, seven hundred eight".