72127056770 has 32 divisors (see below), whose sum is σ = 135510306048. Its totient is φ = 27588927168.

The previous prime is 72127056767. The next prime is 72127056791. The reversal of 72127056770 is 7765072127.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 844052 + ... + 925568.

It is an arithmetic number, because the mean of its divisors is an integer number (4234697064).

Almost surely, 2^72127056770 is an apocalyptic number.

72127056770 is a deficient number, since it is larger than the sum of its proper divisors (63383249278).

72127056770 is a wasteful number, since it uses less digits than its factorization.

72127056770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85394.

The product of its (nonzero) digits is 288120, while the sum is 44.

The spelling of 72127056770 in words is "seventy-two billion, one hundred twenty-seven million, fifty-six thousand, seven hundred seventy".