724744465 has 8 divisors (see below), whose sum is σ = 888197760. Its totient is φ = 567459312.

The previous prime is 724744451. The next prime is 724744487. The reversal of 724744465 is 564447427.

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

It is a cyclic number.

It is not a de Polignac number, because 724744465 - 2⁷ = 724744337 is a prime.

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, 1541775 + ... + 1542244.

It is an arithmetic number, because the mean of its divisors is an integer number (111024720).

Almost surely, 2^724744465 is an apocalyptic number.

It is an amenable number.

724744465 is a deficient number, since it is larger than the sum of its proper divisors (163453295).

724744465 is a wasteful number, since it uses less digits than its factorization.

724744465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3084071.

The product of its digits is 752640, while the sum is 43.

The square root of 724744465 is about 26921.0784516520. The cubic root of 724744465 is about 898.2453322978.

The spelling of 724744465 in words is "seven hundred twenty-four million, seven hundred forty-four thousand, four hundred sixty-five".