72337673357 has 2 divisors, whose sum is σ = 72337673358. Its totient is φ = 72337673356.

The previous prime is 72337673347. The next prime is 72337673363. The reversal of 72337673357 is 75337673327.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71925339721 + 412333636 = 268189^2 + 20306^2 .

It is a cyclic number.

It is not a de Polignac number, because 72337673357 - 2⁸ = 72337673101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72337673299 and 72337673308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72337673347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36168836678 + 36168836679.

It is an arithmetic number, because the mean of its divisors is an integer number (36168836679).

Almost surely, 2^72337673357 is an apocalyptic number.

It is an amenable number.

72337673357 is a deficient number, since it is larger than the sum of its proper divisors (1).

72337673357 is an equidigital number, since it uses as much as digits as its factorization.

72337673357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11668860, while the sum is 53.

The spelling of 72337673357 in words is "seventy-two billion, three hundred thirty-seven million, six hundred seventy-three thousand, three hundred fifty-seven".