674343477 has 24 divisors (see below), whose sum is σ = 988528320. Its totient is φ = 442918080.

The previous prime is 674343469. The next prime is 674343479. The reversal of 674343477 is 774343476.

It is not a de Polignac number, because 674343477 - 2³ = 674343469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674343479) 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 23 ways as a sum of consecutive naturals, for example, 247758 + ... + 250464.

It is an arithmetic number, because the mean of its divisors is an integer number (41188680).

Almost surely, 2^674343477 is an apocalyptic number.

It is an amenable number.

674343477 is a deficient number, since it is larger than the sum of its proper divisors (314184843).

674343477 is a wasteful number, since it uses less digits than its factorization.

674343477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3113 (or 3110 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 45.

The square root of 674343477 is about 25968.1242487785. The cubic root of 674343477 is about 876.9208314471.

Subtracting 674343477 from its reverse (774343476), we obtain a palindrome (99999999).

The spelling of 674343477 in words is "six hundred seventy-four million, three hundred forty-three thousand, four hundred seventy-seven".