70115625 has 60 divisors (see below), whose sum is σ = 131390028. Its totient is φ = 37260000.

The previous prime is 70115621. The next prime is 70115651. The reversal of 70115625 is 52651107.

It can be written as a sum of positive squares in 6 ways, for example, as 65755881 + 4359744 = 8109^2 + 2088^2 .

It is not a de Polignac number, because 70115625 - 2² = 70115621 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (70115621) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 252987 + ... + 253263.

Almost surely, 2^70115625 is an apocalyptic number.

70115625 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

70115625 is a deficient number, since it is larger than the sum of its proper divisors (61274403).

70115625 is an frugal number, since it uses more digits than its factorization.

70115625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 70115625 is about 8373.5073296678. The cubic root of 70115625 is about 412.3553211626.

The spelling of 70115625 in words is "seventy million, one hundred fifteen thousand, six hundred twenty-five".