724559090 has 8 divisors (see below), whose sum is σ = 1304206380. Its totient is φ = 289823632.

The previous prime is 724559089. The next prime is 724559107. The reversal of 724559090 is 90955427.

It can be written as a sum of positive squares in 2 ways, for example, as 709636321 + 14922769 = 26639^2 + 3863^2 .

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

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, 36227945 + ... + 36227964.

Almost surely, 2^724559090 is an apocalyptic number.

724559090 is a deficient number, since it is larger than the sum of its proper divisors (579647290).

724559090 is a wasteful number, since it uses less digits than its factorization.

724559090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72455916.

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 724559090 is about 26917.6352973288. The cubic root of 724559090 is about 898.1687414278.

The spelling of 724559090 in words is "seven hundred twenty-four million, five hundred fifty-nine thousand, ninety".