70142908 has 24 divisors (see below), whose sum is σ = 140958720. Its totient is φ = 30204720.

The previous prime is 70142899. The next prime is 70142921. The reversal of 70142908 is 80924107.

It is a self number, because there is not a number n which added to its sum of digits gives 70142908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41116 + ... + 42787.

It is an arithmetic number, because the mean of its divisors is an integer number (5873280).

Almost surely, 2^70142908 is an apocalyptic number.

It is an amenable number.

70142908 is an abundant number, since it is smaller than the sum of its proper divisors (70815812).

70142908 is a wasteful number, since it uses less digits than its factorization.

70142908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83937 (or 83935 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 70142908 is about 8375.1362973984. The cubic root of 70142908 is about 412.4087986926.

The spelling of 70142908 in words is "seventy million, one hundred forty-two thousand, nine hundred eight".