70337072720 has 20 divisors (see below), whose sum is σ = 163533694260. Its totient is φ = 28134829056.

The previous prime is 70337072693. The next prime is 70337072749. The reversal of 70337072720 is 2727073307.

It can be written as a sum of positive squares in 2 ways, for example, as 39183410704 + 31153662016 = 197948^2 + 176504^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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 in 3 ways as a sum of consecutive naturals, for example, 439606625 + ... + 439606784.

It is an arithmetic number, because the mean of its divisors is an integer number (8176684713).

Almost surely, 2^70337072720 is an apocalyptic number.

It is an amenable number.

70337072720 is an abundant number, since it is smaller than the sum of its proper divisors (93196621540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70337072720 is a wasteful number, since it uses less digits than its factorization.

70337072720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879213422 (or 879213416 counting only the distinct ones).

The product of its (nonzero) digits is 86436, while the sum is 38.

The spelling of 70337072720 in words is "seventy billion, three hundred thirty-seven million, seventy-two thousand, seven hundred twenty".