73347512957 has 2 divisors, whose sum is σ = 73347512958. Its totient is φ = 73347512956.

The previous prime is 73347512929. The next prime is 73347513049. The reversal of 73347512957 is 75921574337.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73257376921 + 90136036 = 270661^2 + 9494^2 .

It is a cyclic number.

It is not a de Polignac number, because 73347512957 - 2²⁰ = 73346464381 is a prime.

It is a super-3 number, since 3×73347512957³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73347512899 and 73347512908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73347512057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36673756478 + 36673756479.

It is an arithmetic number, because the mean of its divisors is an integer number (36673756479).

Almost surely, 2^73347512957 is an apocalyptic number.

It is an amenable number.

73347512957 is a deficient number, since it is larger than the sum of its proper divisors (1).

73347512957 is an equidigital number, since it uses as much as digits as its factorization.

73347512957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5556600, while the sum is 53.

The spelling of 73347512957 in words is "seventy-three billion, three hundred forty-seven million, five hundred twelve thousand, nine hundred fifty-seven".