72301222905 has 16 divisors (see below), whose sum is σ = 115689303744. Its totient is φ = 38558203200.

The previous prime is 72301222883. The next prime is 72301222907. The reversal of 72301222905 is 50922210327.

It is not a de Polignac number, because 72301222905 - 2²⁷ = 72167005177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72301222907) 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, 105027 + ... + 394503.

It is an arithmetic number, because the mean of its divisors is an integer number (7230581484).

Almost surely, 2^72301222905 is an apocalyptic number.

It is an amenable number.

72301222905 is a deficient number, since it is larger than the sum of its proper divisors (43388080839).

72301222905 is a wasteful number, since it uses less digits than its factorization.

72301222905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306136.

The product of its (nonzero) digits is 15120, while the sum is 33.

The spelling of 72301222905 in words is "seventy-two billion, three hundred one million, two hundred twenty-two thousand, nine hundred five".