674149047 has 32 divisors (see below), whose sum is σ = 1070931456. Its totient is φ = 371817600.

The previous prime is 674149039. The next prime is 674149061. The reversal of 674149047 is 740941476.

It is not a de Polignac number, because 674149047 - 2³ = 674149039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674149547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19393 + ... + 41525.

It is an arithmetic number, because the mean of its divisors is an integer number (33466608).

Almost surely, 2^674149047 is an apocalyptic number.

674149047 is a deficient number, since it is larger than the sum of its proper divisors (396782409).

674149047 is a wasteful number, since it uses less digits than its factorization.

674149047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22231.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 674149047 is about 25964.3803507806. The cubic root of 674149047 is about 876.8365439823.

The spelling of 674149047 in words is "six hundred seventy-four million, one hundred forty-nine thousand, forty-seven".