726402674 has 4 divisors (see below), whose sum is σ = 1089604014. Its totient is φ = 363201336.

The previous prime is 726402671. The next prime is 726402689. The reversal of 726402674 is 476204627.

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., 679384225 + 47018449 = 26065^2 + 6857^2 .

It is not an unprimeable number, because it can be changed into a prime (726402671) by changing a digit.

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, 181600667 + ... + 181600670.

Almost surely, 2^726402674 is an apocalyptic number.

726402674 is a deficient number, since it is larger than the sum of its proper divisors (363201340).

726402674 is a wasteful number, since it uses less digits than its factorization.

726402674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363201339.

The product of its (nonzero) digits is 112896, while the sum is 38.

The square root of 726402674 is about 26951.8584516912. The cubic root of 726402674 is about 898.9298696470.

The spelling of 726402674 in words is "seven hundred twenty-six million, four hundred two thousand, six hundred seventy-four".