726732674 has 4 divisors (see below), whose sum is σ = 1090099014. Its totient is φ = 363366336.

The previous prime is 726732647. The next prime is 726732683. The reversal of 726732674 is 476237627.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 476237627 = 397 ⋅1199591.

It can be written as a sum of positive squares in only one way, i.e., 650607049 + 76125625 = 25507^2 + 8725^2 .

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 as a sum of consecutive naturals, namely, 181683167 + ... + 181683170.

Almost surely, 2^726732674 is an apocalyptic number.

726732674 is a deficient number, since it is larger than the sum of its proper divisors (363366340).

726732674 is a wasteful number, since it uses less digits than its factorization.

726732674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363366339.

The product of its digits is 592704, while the sum is 44.

The square root of 726732674 is about 26957.9797833591. The cubic root of 726732674 is about 899.0659750320.

The spelling of 726732674 in words is "seven hundred twenty-six million, seven hundred thirty-two thousand, six hundred seventy-four".