674337787 has 4 divisors (see below), whose sum is σ = 674685376. Its totient is φ = 673990200.

The previous prime is 674337773. The next prime is 674337821. The reversal of 674337787 is 787733476.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-674337787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674337707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170868 + ... + 174769.

It is an arithmetic number, because the mean of its divisors is an integer number (168671344).

Almost surely, 2^674337787 is an apocalyptic number.

674337787 is a deficient number, since it is larger than the sum of its proper divisors (347589).

674337787 is a wasteful number, since it uses less digits than its factorization.

674337787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347588.

The product of its digits is 4148928, while the sum is 52.

The square root of 674337787 is about 25968.0146911542. The cubic root of 674337787 is about 876.9183650020.

The spelling of 674337787 in words is "six hundred seventy-four million, three hundred thirty-seven thousand, seven hundred eighty-seven".