726049994 has 8 divisors (see below), whose sum is σ = 1090423620. Its totient is φ = 362575456.

The previous prime is 726049979. The next prime is 726049997. The reversal of 726049994 is 499940627.

It can be written as a sum of positive squares in 2 ways, for example, as 549292969 + 176757025 = 23437^2 + 13295^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (726049997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222749 + ... + 225984.

Almost surely, 2^726049994 is an apocalyptic number.

726049994 is a deficient number, since it is larger than the sum of its proper divisors (364373626).

726049994 is a wasteful number, since it uses less digits than its factorization.

726049994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449544.

The product of its (nonzero) digits is 979776, while the sum is 50.

The square root of 726049994 is about 26945.3148803275. The cubic root of 726049994 is about 898.7843645344.

The spelling of 726049994 in words is "seven hundred twenty-six million, forty-nine thousand, nine hundred ninety-four".