723873460 has 12 divisors (see below), whose sum is σ = 1520134308. Its totient is φ = 289549376.

The previous prime is 723873433. The next prime is 723873473. The reversal of 723873460 is 64378327.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 379548324 + 344325136 = 19482^2 + 18556^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18096817 + ... + 18096856.

It is an arithmetic number, because the mean of its divisors is an integer number (126677859).

Almost surely, 2^723873460 is an apocalyptic number.

It is an amenable number.

723873460 is an abundant number, since it is smaller than the sum of its proper divisors (796260848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

723873460 is a wasteful number, since it uses less digits than its factorization.

723873460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36193682 (or 36193680 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 723873460 is about 26904.8965803625. The cubic root of 723873460 is about 897.8853480343.

The spelling of 723873460 in words is "seven hundred twenty-three million, eight hundred seventy-three thousand, four hundred sixty".