674773157 has 8 divisors (see below), whose sum is σ = 703495584. Its totient is φ = 646643088.

The previous prime is 674773139. The next prime is 674773159. The reversal of 674773157 is 751377476.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 674773157 - 2⁶ = 674773093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674773159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145763 + ... + 150320.

It is an arithmetic number, because the mean of its divisors is an integer number (87936948).

Almost surely, 2^674773157 is an apocalyptic number.

It is an amenable number.

674773157 is a deficient number, since it is larger than the sum of its proper divisors (28722427).

674773157 is a wasteful number, since it uses less digits than its factorization.

674773157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296179.

The product of its digits is 864360, while the sum is 47.

The square root of 674773157 is about 25976.3961511215. The cubic root of 674773157 is about 877.1070448309.

The spelling of 674773157 in words is "six hundred seventy-four million, seven hundred seventy-three thousand, one hundred fifty-seven".