70912790 has 16 divisors (see below), whose sum is σ = 137461968. Its totient is φ = 26183136.

The previous prime is 70912783. The next prime is 70912909. The reversal of 70912790 is 9721907.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 70912790.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272612 + ... + 272871.

It is an arithmetic number, because the mean of its divisors is an integer number (8591373).

Almost surely, 2^70912790 is an apocalyptic number.

70912790 is a deficient number, since it is larger than the sum of its proper divisors (66549178).

70912790 is a wasteful number, since it uses less digits than its factorization.

70912790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545503.

The product of its (nonzero) digits is 7938, while the sum is 35.

The square root of 70912790 is about 8420.9732216651. The cubic root of 70912790 is about 413.9121652367.

The spelling of 70912790 in words is "seventy million, nine hundred twelve thousand, seven hundred ninety".