724678090 has 16 divisors (see below), whose sum is σ = 1309385088. Its totient is φ = 288768016.

The previous prime is 724678051. The next prime is 724678111. The reversal of 724678090 is 90876427.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135142 + ... + 140401.

It is an arithmetic number, because the mean of its divisors is an integer number (81836568).

Almost surely, 2^724678090 is an apocalyptic number.

724678090 is a deficient number, since it is larger than the sum of its proper divisors (584706998).

724678090 is a wasteful number, since it uses less digits than its factorization.

724678090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275813.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 724678090 is about 26919.8456533465. The cubic root of 724678090 is about 898.2179098260.

The spelling of 724678090 in words is "seven hundred twenty-four million, six hundred seventy-eight thousand, ninety".