70090904 has 16 divisors (see below), whose sum is σ = 141529920. Its totient is φ = 32349600.

The previous prime is 70090861. The next prime is 70090921. The reversal of 70090904 is 40909007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336872 + ... + 337079.

It is an arithmetic number, because the mean of its divisors is an integer number (8845620).

Almost surely, 2^70090904 is an apocalyptic number.

It is an amenable number.

70090904 is an abundant number, since it is smaller than the sum of its proper divisors (71439016).

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

70090904 is a wasteful number, since it uses less digits than its factorization.

70090904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673970 (or 673966 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 70090904 is about 8372.0310558430. The cubic root of 70090904 is about 412.3068534392.

The spelling of 70090904 in words is "seventy million, ninety thousand, nine hundred four".