72126225459 has 6 divisors (see below), whose sum is σ = 104182325676. Its totient is φ = 48084150300.

The previous prime is 72126225449. The next prime is 72126225461. The reversal of 72126225459 is 95452262127.

72126225459 is a `hidden beast` number, since 7 + 2 + 12 + 622 + 5 + 4 + 5 + 9 = 666.

It is not a de Polignac number, because 72126225459 - 2⁴ = 72126225443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72126225419) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4007012517 + ... + 4007012534.

It is an arithmetic number, because the mean of its divisors is an integer number (17363720946).

Almost surely, 2^72126225459 is an apocalyptic number.

72126225459 is a deficient number, since it is larger than the sum of its proper divisors (32056100217).

72126225459 is a wasteful number, since it uses less digits than its factorization.

72126225459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8014025057 (or 8014025054 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The spelling of 72126225459 in words is "seventy-two billion, one hundred twenty-six million, two hundred twenty-five thousand, four hundred fifty-nine".