731606674 has 4 divisors (see below), whose sum is σ = 1097410014. Its totient is φ = 365803336.

The previous prime is 731606671. The next prime is 731606683. The reversal of 731606674 is 476606137.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 476606137 = 7 ⋅68086591.

It can be written as a sum of positive squares in only one way, i.e., 721728225 + 9878449 = 26865^2 + 3143^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (731606671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182901667 + ... + 182901670.

Almost surely, 2^731606674 is an apocalyptic number.

731606674 is a deficient number, since it is larger than the sum of its proper divisors (365803340).

731606674 is a wasteful number, since it uses less digits than its factorization.

731606674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365803339.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 731606674 is about 27048.2286665874. The cubic root of 731606674 is about 901.0714293316.

The spelling of 731606674 in words is "seven hundred thirty-one million, six hundred six thousand, six hundred seventy-four".