72810089396 has 36 divisors (see below), whose sum is σ = 140080535364. Its totient is φ = 33089253120.

The previous prime is 72810089371. The next prime is 72810089441. The reversal of 72810089396 is 69398001827.

It can be written as a sum of positive squares in 2 ways, for example, as 72784485796 + 25603600 = 269786^2 + 5060^2 .

It is a congruent number.

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, 3404930 + ... + 3426246.

Almost surely, 2^72810089396 is an apocalyptic number.

It is an amenable number.

72810089396 is a deficient number, since it is larger than the sum of its proper divisors (67270445968).

72810089396 is a wasteful number, since it uses less digits than its factorization.

72810089396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28400 (or 28387 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 72810089396 in words is "seventy-two billion, eight hundred ten million, eighty-nine thousand, three hundred ninety-six".