70425585 has 16 divisors (see below), whose sum is σ = 125201280. Its totient is φ = 37560240.

The previous prime is 70425569. The next prime is 70425613. The reversal of 70425585 is 58552407.

It is a happy number.

70425585 is a `hidden beast` number, since 70 + 4 + 2 + 5 + 585 = 666.

It is not a de Polignac number, because 70425585 - 2⁴ = 70425569 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260701 + ... + 260970.

It is an arithmetic number, because the mean of its divisors is an integer number (7825080).

Almost surely, 2^70425585 is an apocalyptic number.

It is an amenable number.

70425585 is a deficient number, since it is larger than the sum of its proper divisors (54775695).

70425585 is a wasteful number, since it uses less digits than its factorization.

70425585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521685 (or 521679 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 70425585 is about 8391.9952931350. The cubic root of 70425585 is about 412.9620607431.

The spelling of 70425585 in words is "seventy million, four hundred twenty-five thousand, five hundred eighty-five".