674771854 has 32 divisors (see below), whose sum is σ = 1114580736. Its totient is φ = 304988160.

The previous prime is 674771831. The next prime is 674771857. The reversal of 674771854 is 458177476.

It is a junction number, because it is equal to n+sod(n) for n = 674771798 and 674771807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674771857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142062 + ... + 146734.

It is an arithmetic number, because the mean of its divisors is an integer number (34830648).

Almost surely, 2^674771854 is an apocalyptic number.

674771854 is a deficient number, since it is larger than the sum of its proper divisors (439808882).

674771854 is a wasteful number, since it uses less digits than its factorization.

674771854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4860.

The product of its digits is 1317120, while the sum is 49.

The square root of 674771854 is about 25976.3710706480. The cubic root of 674771854 is about 877.1064802603.

The spelling of 674771854 in words is "six hundred seventy-four million, seven hundred seventy-one thousand, eight hundred fifty-four".