72599992601 has 2 divisors, whose sum is σ = 72599992602. Its totient is φ = 72599992600.

The previous prime is 72599992573. The next prime is 72599992649. The reversal of 72599992601 is 10629999527.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67535535376 + 5064457225 = 259876^2 + 71165^2 .

It is a cyclic number.

It is not a de Polignac number, because 72599992601 - 2¹⁰ = 72599991577 is a prime.

It is not a weakly prime, because it can be changed into another prime (72599992691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36299996300 + 36299996301.

It is an arithmetic number, because the mean of its divisors is an integer number (36299996301).

Almost surely, 2^72599992601 is an apocalyptic number.

It is an amenable number.

72599992601 is a deficient number, since it is larger than the sum of its proper divisors (1).

72599992601 is an equidigital number, since it uses as much as digits as its factorization.

72599992601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5511240, while the sum is 59.

The spelling of 72599992601 in words is "seventy-two billion, five hundred ninety-nine million, nine hundred ninety-two thousand, six hundred one".