7351697072457 has 12 divisors (see below), whose sum is σ = 10627843660980. Its totient is φ = 4897104150528.

The previous prime is 7351697072399. The next prime is 7351697072491. The reversal of 7351697072457 is 7542707961537.

7351697072457 is a `hidden beast` number, since 7 + 3 + 51 + 69 + 7 + 0 + 72 + 457 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4091978762496 + 3259718309961 = 2022864^2 + 1805469^2 .

It is not a de Polignac number, because 7351697072457 - 2¹² = 7351697068361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7351697072394 and 7351697072403.

It is not an unprimeable number, because it can be changed into a prime (7351697092457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 335591032 + ... + 335612937.

It is an arithmetic number, because the mean of its divisors is an integer number (885653638415).

Almost surely, 2^{7351697072457} is an apocalyptic number.

It is an amenable number.

7351697072457 is a deficient number, since it is larger than the sum of its proper divisors (3276146588523).

7351697072457 is a wasteful number, since it uses less digits than its factorization.

7351697072457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671205192 (or 671205189 counting only the distinct ones).

The product of its (nonzero) digits is 77792400, while the sum is 63.

The spelling of 7351697072457 in words is "seven trillion, three hundred fifty-one billion, six hundred ninety-seven million, seventy-two thousand, four hundred fifty-seven".