726994 has 4 divisors (see below), whose sum is σ = 1090494. Its totient is φ = 363496.

The previous prime is 726991. The next prime is 727003. The reversal of 726994 is 499627.

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., 471969 + 255025 = 687^2 + 505^2 .

It is not an unprimeable number, because it can be changed into a prime (726991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181747 + ... + 181750.

2⁷²⁶⁹⁹⁴ is an apocalyptic number.

726994 is a deficient number, since it is larger than the sum of its proper divisors (363500).

726994 is a wasteful number, since it uses less digits than its factorization.

726994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363499.

The product of its digits is 27216, while the sum is 37.

The square root of 726994 is about 852.6394314128. The cubic root of 726994 is about 89.9173727244.

The spelling of 726994 in words is "seven hundred twenty-six thousand, nine hundred ninety-four".