724693042 has 8 divisors (see below), whose sum is σ = 1088553600. Its totient is φ = 361841844.

The previous prime is 724693033. The next prime is 724693043. The reversal of 724693042 is 240396427.

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

It is a junction number, because it is equal to n+sod(n) for n = 724692992 and 724693010.

It is not an unprimeable number, because it can be changed into a prime (724693043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250542 + ... + 253417.

It is an arithmetic number, because the mean of its divisors is an integer number (136069200).

Almost surely, 2^724693042 is an apocalyptic number.

724693042 is a deficient number, since it is larger than the sum of its proper divisors (363860558).

724693042 is a wasteful number, since it uses less digits than its factorization.

724693042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504680.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 724693042 is about 26920.1233652448. The cubic root of 724693042 is about 898.2240873099.

The spelling of 724693042 in words is "seven hundred twenty-four million, six hundred ninety-three thousand, forty-two".