674384535 has 48 divisors (see below), whose sum is σ = 1322455680. Its totient is φ = 326967840.

The previous prime is 674384521. The next prime is 674384549. The reversal of 674384535 is 535483476.

It is an interprime number because it is at equal distance from previous prime (674384521) and next prime (674384549).

It is not a de Polignac number, because 674384535 - 2⁶ = 674384471 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 11865 + ... + 38594.

It is an arithmetic number, because the mean of its divisors is an integer number (27551160).

Almost surely, 2^674384535 is an apocalyptic number.

674384535 is a deficient number, since it is larger than the sum of its proper divisors (648071145).

674384535 is a wasteful number, since it uses less digits than its factorization.

674384535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50490 (or 50478 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

The square root of 674384535 is about 25968.9147828707. The cubic root of 674384535 is about 876.9386284532.

The spelling of 674384535 in words is "six hundred seventy-four million, three hundred eighty-four thousand, five hundred thirty-five".