70912870605 has 64 divisors (see below), whose sum is σ = 131702538240. Its totient is φ = 36159048000.

The previous prime is 70912870597. The next prime is 70912870619. The reversal of 70912870605 is 50607821907.

It is not a de Polignac number, because 70912870605 - 2³ = 70912870597 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 245280 + ... + 449430.

It is an arithmetic number, because the mean of its divisors is an integer number (2057852160).

Almost surely, 2^70912870605 is an apocalyptic number.

It is an amenable number.

70912870605 is a deficient number, since it is larger than the sum of its proper divisors (60789667635).

70912870605 is a wasteful number, since it uses less digits than its factorization.

70912870605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204279 (or 204273 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The spelling of 70912870605 in words is "seventy billion, nine hundred twelve million, eight hundred seventy thousand, six hundred five".