724565130 has 32 divisors (see below), whose sum is σ = 1740178944. Its totient is φ = 193081536.

The previous prime is 724565123. The next prime is 724565141. The reversal of 724565130 is 31565427.

It is a super-2 number, since 2×724565130² = 1049989255223833800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 724565091 and 724565100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39304 + ... + 54716.

It is an arithmetic number, because the mean of its divisors is an integer number (54380592).

Almost surely, 2^724565130 is an apocalyptic number.

724565130 is an abundant number, since it is smaller than the sum of its proper divisors (1015613814).

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

724565130 is a wasteful number, since it uses less digits than its factorization.

724565130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16990.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 724565130 is about 26917.7474911999. The cubic root of 724565130 is about 898.1712371636.

The spelling of 724565130 in words is "seven hundred twenty-four million, five hundred sixty-five thousand, one hundred thirty".