72639263299 has 8 divisors (see below), whose sum is σ = 78240578240. Its totient is φ = 67215767976.

The previous prime is 72639263201. The next prime is 72639263311. The reversal of 72639263299 is 99236293627.

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

It is a cyclic number.

It is not a de Polignac number, because 72639263299 - 2¹¹ = 72639261251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72639293299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44454057 + ... + 44455690.

It is an arithmetic number, because the mean of its divisors is an integer number (9780072280).

Almost surely, 2^72639263299 is an apocalyptic number.

72639263299 is a deficient number, since it is larger than the sum of its proper divisors (5601314941).

72639263299 is a wasteful number, since it uses less digits than its factorization.

72639263299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88909809.

The product of its digits is 13226976, while the sum is 58.

The spelling of 72639263299 in words is "seventy-two billion, six hundred thirty-nine million, two hundred sixty-three thousand, two hundred ninety-nine".