70170625 has 40 divisors (see below), whose sum is σ = 102817088. Its totient is φ = 46872000.

The previous prime is 70170613. The next prime is 70170637. The reversal of 70170625 is 52607107.

It is an interprime number because it is at equal distance from previous prime (70170613) and next prime (70170637).

It is not a de Polignac number, because 70170625 - 2⁷ = 70170497 is a prime.

It is a super-2 number, since 2×70170625² = 9847833225781250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70170593 and 70170602.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 187939 + ... + 188311.

Almost surely, 2^70170625 is an apocalyptic number.

It is an amenable number.

70170625 is a deficient number, since it is larger than the sum of its proper divisors (32646463).

70170625 is an equidigital number, since it uses as much as digits as its factorization.

70170625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443 (or 428 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 70170625 is about 8376.7908533041. The cubic root of 70170625 is about 412.4631127101.

The spelling of 70170625 in words is "seventy million, one hundred seventy thousand, six hundred twenty-five".