70407025 has 24 divisors (see below), whose sum is σ = 98118720. Its totient is φ = 49727040.

The previous prime is 70407019. The next prime is 70407031. The reversal of 70407025 is 52070407.

It is an interprime number because it is at equal distance from previous prime (70407019) and next prime (70407031).

It is not a de Polignac number, because 70407025 - 2⁹ = 70406513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2766 + ... + 12184.

It is an arithmetic number, because the mean of its divisors is an integer number (4088280).

Almost surely, 2^70407025 is an apocalyptic number.

It is an amenable number.

70407025 is a deficient number, since it is larger than the sum of its proper divisors (27711695).

70407025 is a wasteful number, since it uses less digits than its factorization.

70407025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9465 (or 9460 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 70407025 is about 8390.8894045864. The cubic root of 70407025 is about 412.9257801345.

The spelling of 70407025 in words is "seventy million, four hundred seven thousand, twenty-five".