724750065 has 64 divisors (see below), whose sum is σ = 1392007680. Its totient is φ = 355656960.

The previous prime is 724750063. The next prime is 724750067. The reversal of 724750065 is 560057427.

It is an interprime number because it is at equal distance from previous prime (724750063) and next prime (724750067).

It is not a de Polignac number, because 724750065 - 2¹ = 724750063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (724750063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 882355 + ... + 883175.

It is an arithmetic number, because the mean of its divisors is an integer number (21750120).

Almost surely, 2^724750065 is an apocalyptic number.

It is an amenable number.

724750065 is a deficient number, since it is larger than the sum of its proper divisors (667257615).

724750065 is a wasteful number, since it uses less digits than its factorization.

724750065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351 (or 1345 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 724750065 is about 26921.1824591714. The cubic root of 724750065 is about 898.2476458309.

The spelling of 724750065 in words is "seven hundred twenty-four million, seven hundred fifty thousand, sixty-five".