70811344 has 10 divisors (see below), whose sum is σ = 137197010. Its totient is φ = 35405664.

The previous prime is 70811333. The next prime is 70811357. The reversal of 70811344 is 44311807.

It can be written as a sum of positive squares in only one way, i.e., 47886400 + 22924944 = 6920^2 + 4788^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2212839 + ... + 2212870.

It is an arithmetic number, because the mean of its divisors is an integer number (13719701).

Almost surely, 2^70811344 is an apocalyptic number.

It is an amenable number.

70811344 is a deficient number, since it is larger than the sum of its proper divisors (66385666).

70811344 is a wasteful number, since it uses less digits than its factorization.

70811344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4425717 (or 4425711 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 70811344 is about 8414.9476528378. The cubic root of 70811344 is about 413.7146937012.

The spelling of 70811344 in words is "seventy million, eight hundred eleven thousand, three hundred forty-four".