724015397 has 8 divisors (see below), whose sum is σ = 876119616. Its totient is φ = 584079552.

The previous prime is 724015339. The next prime is 724015399. The reversal of 724015397 is 793510427.

724015397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 724015397 - 2¹⁰ = 724014373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 724015397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (724015399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3041963 + ... + 3042200.

It is an arithmetic number, because the mean of its divisors is an integer number (109514952).

Almost surely, 2^724015397 is an apocalyptic number.

It is an amenable number.

724015397 is a deficient number, since it is larger than the sum of its proper divisors (152104219).

724015397 is a wasteful number, since it uses less digits than its factorization.

724015397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6084187.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 724015397 is about 26907.5342051255. The cubic root of 724015397 is about 897.9440299407.

The spelling of 724015397 in words is "seven hundred twenty-four million, fifteen thousand, three hundred ninety-seven".