72651652210 has 16 divisors (see below), whose sum is σ = 130829947416. Its totient is φ = 29048000128.

The previous prime is 72651652181. The next prime is 72651652237. The reversal of 72651652210 is 1225615627.

It can be written as a sum of positive squares in 4 ways, for example, as 48677155641 + 23974496569 = 220629^2 + 154837^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 72651652210.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1558477 + ... + 1604416.

Almost surely, 2^72651652210 is an apocalyptic number.

72651652210 is a deficient number, since it is larger than the sum of its proper divisors (58178295206).

72651652210 is a wasteful number, since it uses less digits than its factorization.

72651652210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3165197.

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 72651652210 in words is "seventy-two billion, six hundred fifty-one million, six hundred fifty-two thousand, two hundred ten".