72642604286 has 16 divisors (see below), whose sum is σ = 124973353440. Its totient is φ = 31021751040.

The previous prime is 72642604249. The next prime is 72642604291. The reversal of 72642604286 is 68240624627.

It is a self number, because there is not a number n which added to its sum of digits gives 72642604286.

It is a congruent number.

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, 9228731 + ... + 9236598.

It is an arithmetic number, because the mean of its divisors is an integer number (7810834590).

Almost surely, 2^72642604286 is an apocalyptic number.

72642604286 is a deficient number, since it is larger than the sum of its proper divisors (52330749154).

72642604286 is a wasteful number, since it uses less digits than its factorization.

72642604286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18465619.

The product of its (nonzero) digits is 1548288, while the sum is 47.

The spelling of 72642604286 in words is "seventy-two billion, six hundred forty-two million, six hundred four thousand, two hundred eighty-six".