731674 has 4 divisors (see below), whose sum is σ = 1097514. Its totient is φ = 365836.

The previous prime is 731651. The next prime is 731681. The reversal of 731674 is 476137.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 710649 + 21025 = 843^2 + 145^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182917 + ... + 182920.

2⁷³¹⁶⁷⁴ is an apocalyptic number.

731674 is a deficient number, since it is larger than the sum of its proper divisors (365840).

731674 is a wasteful number, since it uses less digits than its factorization.

731674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365839.

The product of its digits is 3528, while the sum is 28.

The square root of 731674 is about 855.3794479645. The cubic root of 731674 is about 90.1099068807.

The spelling of 731674 in words is "seven hundred thirty-one thousand, six hundred seventy-four".