72601763788 has 6 divisors (see below), whose sum is σ = 127053086636. Its totient is φ = 36300881892.

The previous prime is 72601763753. The next prime is 72601763827. The reversal of 72601763788 is 88736710627.

It is a super-2 number, since 2×72601763788² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9075220470 + ... + 9075220477.

Almost surely, 2^72601763788 is an apocalyptic number.

It is an amenable number.

72601763788 is a deficient number, since it is larger than the sum of its proper divisors (54451322848).

72601763788 is a wasteful number, since it uses less digits than its factorization.

72601763788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18150440951 (or 18150440949 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 55.

The spelling of 72601763788 in words is "seventy-two billion, six hundred one million, seven hundred sixty-three thousand, seven hundred eighty-eight".