870072610 has 16 divisors (see below), whose sum is σ = 1708506432. Its totient is φ = 316390000.

The previous prime is 870072551. The next prime is 870072659. The reversal of 870072610 is 16270078.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3954766 + ... + 3954985.

It is an arithmetic number, because the mean of its divisors is an integer number (106781652).

Almost surely, 2^870072610 is an apocalyptic number.

870072610 is a deficient number, since it is larger than the sum of its proper divisors (838433822).

870072610 is a wasteful number, since it uses less digits than its factorization.

870072610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7909769.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 870072610 is about 29496.9932365996. The cubic root of 870072610 is about 954.6668282164. Note that the first 3 decimals are identical.

The spelling of 870072610 in words is "eight hundred seventy million, seventy-two thousand, six hundred ten".