70258870 has 16 divisors (see below), whose sum is σ = 137963088. Its totient is φ = 25548640.

The previous prime is 70258817. The next prime is 70258879. The reversal of 70258870 is 7885207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70258879) 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, 319249 + ... + 319468.

It is an arithmetic number, because the mean of its divisors is an integer number (8622693).

Almost surely, 2^70258870 is an apocalyptic number.

70258870 is a deficient number, since it is larger than the sum of its proper divisors (67704218).

70258870 is a wasteful number, since it uses less digits than its factorization.

70258870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638735.

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 70258870 is about 8382.0564302562. The cubic root of 70258870 is about 412.6359417267.

The spelling of 70258870 in words is "seventy million, two hundred fifty-eight thousand, eight hundred seventy".