723494 has 4 divisors (see below), whose sum is σ = 1085244. Its totient is φ = 361746.

The previous prime is 723493. The next prime is 723529. The reversal of 723494 is 494327.

It is a semiprime because it is the product of two primes.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180872 + ... + 180875.

It is an arithmetic number, because the mean of its divisors is an integer number (271311).

2⁷²³⁴⁹⁴ is an apocalyptic number.

723494 is a deficient number, since it is larger than the sum of its proper divisors (361750).

723494 is a wasteful number, since it uses less digits than its factorization.

723494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361749.

The product of its digits is 6048, while the sum is 29.

The square root of 723494 is about 850.5845049141. The cubic root of 723494 is about 89.7728427824.

The spelling of 723494 in words is "seven hundred twenty-three thousand, four hundred ninety-four".