70209097994 has 32 divisors (see below), whose sum is σ = 125610898176. Its totient is φ = 28776908160.

The previous prime is 70209097877. The next prime is 70209098021. The reversal of 70209097994 is 49979090207.

It is a super-2 number, since 2×70209097994² (a number of 22 digits) contains 22 as substring.

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, 2782724 + ... + 2807840.

It is an arithmetic number, because the mean of its divisors is an integer number (3925340568).

Almost surely, 2^70209097994 is an apocalyptic number.

70209097994 is a deficient number, since it is larger than the sum of its proper divisors (55401800182).

70209097994 is a wasteful number, since it uses less digits than its factorization.

70209097994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33830.

The product of its (nonzero) digits is 2571912, while the sum is 56.

The spelling of 70209097994 in words is "seventy billion, two hundred nine million, ninety-seven thousand, nine hundred ninety-four".