72070762 has 24 divisors (see below), whose sum is σ = 114953796. Its totient is φ = 33882624.

The previous prime is 72070741. The next prime is 72070807. The reversal of 72070762 is 26707027.

It can be written as a sum of positive squares in 2 ways, for example, as 49688401 + 22382361 = 7049^2 + 4731^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124618 + ... + 125194.

Almost surely, 2^72070762 is an apocalyptic number.

72070762 is a deficient number, since it is larger than the sum of its proper divisors (42883034).

72070762 is a wasteful number, since it uses less digits than its factorization.

72070762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790 (or 771 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 31.

The square root of 72070762 is about 8489.4500410804. The cubic root of 72070762 is about 416.1530078491.

Adding to 72070762 its reverse (26707027), we get a palindrome (98777789).

The spelling of 72070762 in words is "seventy-two million, seventy thousand, seven hundred sixty-two".