72272825077726 has 16 divisors (see below), whose sum is σ = 133426753989984. Its totient is φ = 28591447283424.

The previous prime is 72272825077723. The next prime is 72272825077757. The reversal of 72272825077726 is 62777052827227.

It is a super-2 number, since 2×72272825077726² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72272825077723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198551717065 + ... + 198551717428.

It is an arithmetic number, because the mean of its divisors is an integer number (8339172124374).

Almost surely, 2^{72272825077726} is an apocalyptic number.

72272825077726 is a deficient number, since it is larger than the sum of its proper divisors (61153928912258).

72272825077726 is a wasteful number, since it uses less digits than its factorization.

72272825077726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397103434515.

The product of its (nonzero) digits is 129077760, while the sum is 64.

The spelling of 72272825077726 in words is "seventy-two trillion, two hundred seventy-two billion, eight hundred twenty-five million, seventy-seven thousand, seven hundred twenty-six".