72663770470513 has 16 divisors (see below), whose sum is σ = 75203346816000. Its totient is φ = 70136431410240.

The previous prime is 72663770470507. The next prime is 72663770470547. The reversal of 72663770470513 is 31507407736627.

It is a cyclic number.

It is not a de Polignac number, because 72663770470513 - 2⁵ = 72663770470481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72663770470553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383369395 + ... + 383558887.

It is an arithmetic number, because the mean of its divisors is an integer number (4700209176000).

Almost surely, 2^{72663770470513} is an apocalyptic number.

It is an amenable number.

72663770470513 is a deficient number, since it is larger than the sum of its proper divisors (2539576345487).

72663770470513 is a wasteful number, since it uses less digits than its factorization.

72663770470513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221712.

The product of its (nonzero) digits is 31116960, while the sum is 58.

The spelling of 72663770470513 in words is "seventy-two trillion, six hundred sixty-three billion, seven hundred seventy million, four hundred seventy thousand, five hundred thirteen".