724001005 has 16 divisors (see below), whose sum is σ = 1069294464. Its totient is φ = 458268480.

The previous prime is 724000997. The next prime is 724001011. The reversal of 724001005 is 500100427.

It is not a de Polignac number, because 724001005 - 2³ = 724000997 is a prime.

It is a congruent number.

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, 795151 + ... + 796060.

It is an arithmetic number, because the mean of its divisors is an integer number (66830904).

Almost surely, 2^724001005 is an apocalyptic number.

It is an amenable number.

724001005 is a deficient number, since it is larger than the sum of its proper divisors (345293459).

724001005 is a wasteful number, since it uses less digits than its factorization.

724001005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591236.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 724001005 is about 26907.2667694064. The cubic root of 724001005 is about 897.9380801150.

The spelling of 724001005 in words is "seven hundred twenty-four million, one thousand, five".