674172406 has 16 divisors (see below), whose sum is σ = 1026881280. Its totient is φ = 331891560.

The previous prime is 674172377. The next prime is 674172413. The reversal of 674172406 is 604271476.

It is a super-4 number, since 4×674172406⁴ (a number of 36 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119215 + ... + 124741.

It is an arithmetic number, because the mean of its divisors is an integer number (64180080).

Almost surely, 2^674172406 is an apocalyptic number.

674172406 is a deficient number, since it is larger than the sum of its proper divisors (352708874).

674172406 is a wasteful number, since it uses less digits than its factorization.

674172406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6459.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 674172406 is about 25964.8301746805. The cubic root of 674172406 is about 876.8466712127.

The spelling of 674172406 in words is "six hundred seventy-four million, one hundred seventy-two thousand, four hundred six".