6457217320674 has 40 divisors (see below), whose sum is σ = 14479920037440. Its totient is φ = 2150773855704.

The previous prime is 6457217320607. The next prime is 6457217320691. The reversal of 6457217320674 is 4760237127546.

6457217320674 is a `hidden beast` number, since 6 + 4 + 572 + 1 + 7 + 3 + 2 + 0 + 67 + 4 = 666.

It is a super-2 number, since 2×6457217320674² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 6457217320674.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14896014 + ... + 15323369.

It is an arithmetic number, because the mean of its divisors is an integer number (361998000936).

Almost surely, 2^{6457217320674} is an apocalyptic number.

6457217320674 is an abundant number, since it is smaller than the sum of its proper divisors (8022702716766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6457217320674 is a wasteful number, since it uses less digits than its factorization.

6457217320674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30220716 (or 30220707 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 54.

The spelling of 6457217320674 in words is "six trillion, four hundred fifty-seven billion, two hundred seventeen million, three hundred twenty thousand, six hundred seventy-four".