72636747303066 has 32 divisors (see below), whose sum is σ = 145503183790080. Its totient is φ = 24173995862016.

The previous prime is 72636747303019. The next prime is 72636747303073. The reversal of 72636747303066 is 66030374763627.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6738535 + ... + 13808741.

It is an arithmetic number, because the mean of its divisors is an integer number (4546974493440).

Almost surely, 2^{72636747303066} is an apocalyptic number.

72636747303066 is an abundant number, since it is smaller than the sum of its proper divisors (72866436487014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72636747303066 is a wasteful number, since it uses less digits than its factorization.

72636747303066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7072918.

The product of its (nonzero) digits is 96018048, while the sum is 60.

The spelling of 72636747303066 in words is "seventy-two trillion, six hundred thirty-six billion, seven hundred forty-seven million, three hundred three thousand, sixty-six".