72075171704 has 32 divisors (see below), whose sum is σ = 135992545920. Its totient is φ = 35811079296.

The previous prime is 72075171683. The next prime is 72075171731. The reversal of 72075171704 is 40717157027.

It is a super-2 number, since 2×72075171704² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 957422 + ... + 1029954.

It is an arithmetic number, because the mean of its divisors is an integer number (4249767060).

Almost surely, 2^72075171704 is an apocalyptic number.

It is an amenable number.

72075171704 is a deficient number, since it is larger than the sum of its proper divisors (63917374216).

72075171704 is a wasteful number, since it uses less digits than its factorization.

72075171704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73319 (or 73315 counting only the distinct ones).

The product of its (nonzero) digits is 96040, while the sum is 41.

The spelling of 72075171704 in words is "seventy-two billion, seventy-five million, one hundred seventy-one thousand, seven hundred four".