674435793947 has 32 divisors (see below), whose sum is σ = 727949732352. Its totient is φ = 623200241664.

The previous prime is 674435793877. The next prime is 674435793979. The reversal of 674435793947 is 749397534476.

It is a cyclic number.

It is not a de Polignac number, because 674435793947 - 2¹⁶ = 674435728411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674435793847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89837168 + ... + 89844674.

It is an arithmetic number, because the mean of its divisors is an integer number (22748429136).

Almost surely, 2^674435793947 is an apocalyptic number.

674435793947 is a deficient number, since it is larger than the sum of its proper divisors (53513938405).

674435793947 is a wasteful number, since it uses less digits than its factorization.

674435793947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8307.

The product of its digits is 480090240, while the sum is 68.

The spelling of 674435793947 in words is "six hundred seventy-four billion, four hundred thirty-five million, seven hundred ninety-three thousand, nine hundred forty-seven".