72120750057106 has 32 divisors (see below), whose sum is σ = 116401378484160. Its totient is φ = 33408706758336.

The previous prime is 72120750057061. The next prime is 72120750057107. The reversal of 72120750057106 is 60175005702127.

It is a super-2 number, since 2×72120750057106² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72120750057107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57703701 + ... + 58940296.

It is an arithmetic number, because the mean of its divisors is an integer number (3637543077630).

Almost surely, 2^{72120750057106} is an apocalyptic number.

72120750057106 is a deficient number, since it is larger than the sum of its proper divisors (44280628427054).

72120750057106 is a wasteful number, since it uses less digits than its factorization.

72120750057106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116644378.

The product of its (nonzero) digits is 205800, while the sum is 43.

The spelling of 72120750057106 in words is "seventy-two trillion, one hundred twenty billion, seven hundred fifty million, fifty-seven thousand, one hundred six".