72013568581046 has 8 divisors (see below), whose sum is σ = 108020390527440. Its totient is φ = 36006771738568.

The previous prime is 72013568581039. The next prime is 72013568581049. The reversal of 72013568581046 is 64018586531027.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 72013568580982 and 72013568581000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72013568581049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4817015 + ... + 12931773.

It is an arithmetic number, because the mean of its divisors is an integer number (13502548815930).

Almost surely, 2^{72013568581046} is an apocalyptic number.

72013568581046 is a deficient number, since it is larger than the sum of its proper divisors (36006821946394).

72013568581046 is a wasteful number, since it uses less digits than its factorization.

72013568581046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12551958.

The product of its (nonzero) digits is 9676800, while the sum is 56.

The spelling of 72013568581046 in words is "seventy-two trillion, thirteen billion, five hundred sixty-eight million, five hundred eighty-one thousand, forty-six".