72525276004 has 6 divisors (see below), whose sum is σ = 126919233014. Its totient is φ = 36262638000.

The previous prime is 72525276001. The next prime is 72525276037. The reversal of 72525276004 is 40067252527.

It can be written as a sum of positive squares in only one way, i.e., 49618453504 + 22906822500 = 222752^2 + 151350^2 .

It is not an unprimeable number, because it can be changed into a prime (72525276001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9065659497 + ... + 9065659504.

Almost surely, 2^72525276004 is an apocalyptic number.

It is an amenable number.

72525276004 is a deficient number, since it is larger than the sum of its proper divisors (54393957010).

72525276004 is a wasteful number, since it uses less digits than its factorization.

72525276004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18131319005 (or 18131319003 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 40.

The spelling of 72525276004 in words is "seventy-two billion, five hundred twenty-five million, two hundred seventy-six thousand, four".