70309912 has 16 divisors (see below), whose sum is σ = 131927400. Its totient is φ = 35129280.

The previous prime is 70309903. The next prime is 70309913. The reversal of 70309912 is 21990307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70309913) 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, 13612 + ... + 18052.

Almost surely, 2^70309912 is an apocalyptic number.

It is an amenable number.

70309912 is a deficient number, since it is larger than the sum of its proper divisors (61617488).

70309912 is a wasteful number, since it uses less digits than its factorization.

70309912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6426 (or 6422 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 70309912 is about 8385.1005956995. The cubic root of 70309912 is about 412.7358421162.

The spelling of 70309912 in words is "seventy million, three hundred nine thousand, nine hundred twelve".