724420365 has 16 divisors (see below), whose sum is σ = 1159433088. Its totient is φ = 386237376.

The previous prime is 724420363. The next prime is 724420399. The reversal of 724420365 is 563024427.

It is not a de Polignac number, because 724420365 - 2¹ = 724420363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (724420363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64767 + ... + 75123.

It is an arithmetic number, because the mean of its divisors is an integer number (72464568).

Almost surely, 2^724420365 is an apocalyptic number.

It is an amenable number.

724420365 is a deficient number, since it is larger than the sum of its proper divisors (435012723).

724420365 is a wasteful number, since it uses less digits than its factorization.

724420365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15028.

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 724420365 is about 26915.0583317220. The cubic root of 724420365 is about 898.1114162613. Note that the first 3 decimals are identical.

The spelling of 724420365 in words is "seven hundred twenty-four million, four hundred twenty thousand, three hundred sixty-five".