70764520 has 16 divisors (see below), whose sum is σ = 159220260. Its totient is φ = 28305792.

The previous prime is 70764479. The next prime is 70764571. The reversal of 70764520 is 2546707.

It can be written as a sum of positive squares in 2 ways, for example, as 70660836 + 103684 = 8406^2 + 322^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 884517 + ... + 884596.

Almost surely, 2^70764520 is an apocalyptic number.

It is an amenable number.

70764520 is an abundant number, since it is smaller than the sum of its proper divisors (88455740).

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

70764520 is a wasteful number, since it uses less digits than its factorization.

70764520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1769124 (or 1769120 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 70764520 is about 8412.1650007593. The cubic root of 70764520 is about 413.6234839827.

The spelling of 70764520 in words is "seventy million, seven hundred sixty-four thousand, five hundred twenty".