72646247047322 has 64 divisors (see below), whose sum is σ = 119197492592640. Its totient is φ = 33006363376896.

The previous prime is 72646247047267. The next prime is 72646247047343. The reversal of 72646247047322 is 22374074264627.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 367456703 + ... + 367654349.

It is an arithmetic number, because the mean of its divisors is an integer number (1862460821760).

Almost surely, 2^{72646247047322} is an apocalyptic number.

72646247047322 is a deficient number, since it is larger than the sum of its proper divisors (46551245545318).

72646247047322 is a wasteful number, since it uses less digits than its factorization.

72646247047322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198655.

The product of its (nonzero) digits is 37933056, while the sum is 56.

The spelling of 72646247047322 in words is "seventy-two trillion, six hundred forty-six billion, two hundred forty-seven million, forty-seven thousand, three hundred twenty-two".