70986625 has 16 divisors (see below), whose sum is σ = 92446848. Its totient is φ = 54318000.

The previous prime is 70986623. The next prime is 70986647. The reversal of 70986625 is 52668907.

It is not a de Polignac number, because 70986625 - 2¹ = 70986623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70986623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9471 + ... + 15220.

It is an arithmetic number, because the mean of its divisors is an integer number (5777928).

Almost surely, 2^70986625 is an apocalyptic number.

It is an amenable number.

70986625 is a deficient number, since it is larger than the sum of its proper divisors (21460223).

70986625 is a wasteful number, since it uses less digits than its factorization.

70986625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24729 (or 24719 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 70986625 is about 8425.3560755614. The cubic root of 70986625 is about 414.0557716956.

The spelling of 70986625 in words is "seventy million, nine hundred eighty-six thousand, six hundred twenty-five".