72663110575 has 18 divisors (see below), whose sum is σ = 99038022272. Its totient is φ = 52845896400.

The previous prime is 72663110539. The next prime is 72663110581. The reversal of 72663110575 is 57501136627.

It is not a de Polignac number, because 72663110575 - 2¹⁷ = 72662979503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12007407 + ... + 12013456.

Almost surely, 2^72663110575 is an apocalyptic number.

72663110575 is a deficient number, since it is larger than the sum of its proper divisors (26374911697).

72663110575 is a wasteful number, since it uses less digits than its factorization.

72663110575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24020895 (or 24020879 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 43.

The spelling of 72663110575 in words is "seventy-two billion, six hundred sixty-three million, one hundred ten thousand, five hundred seventy-five".