72650552441 has 2 divisors, whose sum is σ = 72650552442. Its totient is φ = 72650552440.

The previous prime is 72650552393. The next prime is 72650552449. The reversal of 72650552441 is 14425505627.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69799526416 + 2851026025 = 264196^2 + 53395^2 .

It is a cyclic number.

It is not a de Polignac number, because 72650552441 - 2¹⁰ = 72650551417 is a prime.

It is not a weakly prime, because it can be changed into another prime (72650552449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36325276220 + 36325276221.

It is an arithmetic number, because the mean of its divisors is an integer number (36325276221).

Almost surely, 2^72650552441 is an apocalyptic number.

It is an amenable number.

72650552441 is a deficient number, since it is larger than the sum of its proper divisors (1).

72650552441 is an equidigital number, since it uses as much as digits as its factorization.

72650552441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336000, while the sum is 41.

The spelling of 72650552441 in words is "seventy-two billion, six hundred fifty million, five hundred fifty-two thousand, four hundred forty-one".