70565388 has 12 divisors (see below), whose sum is σ = 164652600. Its totient is φ = 23521792.

The previous prime is 70565371. The next prime is 70565389. The reversal of 70565388 is 88356507.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (70565389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2940213 + ... + 2940236.

It is an arithmetic number, because the mean of its divisors is an integer number (13721050).

Almost surely, 2^70565388 is an apocalyptic number.

It is an amenable number.

70565388 is an abundant number, since it is smaller than the sum of its proper divisors (94087212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70565388 is a wasteful number, since it uses less digits than its factorization.

70565388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5880456 (or 5880454 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 70565388 is about 8400.3207081635. The cubic root of 70565388 is about 413.2351394099.

The spelling of 70565388 in words is "seventy million, five hundred sixty-five thousand, three hundred eighty-eight".