72466630251 has 16 divisors (see below), whose sum is σ = 100924412160. Its totient is φ = 46192315680.

The previous prime is 72466630183. The next prime is 72466630261. The reversal of 72466630251 is 15203666427.

It is not a de Polignac number, because 72466630251 - 2¹⁷ = 72466499179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72466630261) 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 in 15 ways as a sum of consecutive naturals, for example, 4034485 + ... + 4052406.

It is an arithmetic number, because the mean of its divisors is an integer number (6307775760).

Almost surely, 2^72466630251 is an apocalyptic number.

72466630251 is a deficient number, since it is larger than the sum of its proper divisors (28457781909).

72466630251 is a wasteful number, since it uses less digits than its factorization.

72466630251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8087026.

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 72466630251 in words is "seventy-two billion, four hundred sixty-six million, six hundred thirty thousand, two hundred fifty-one".