724157068 has 6 divisors (see below), whose sum is σ = 1267274876. Its totient is φ = 362078532.

The previous prime is 724157039. The next prime is 724157101. The reversal of 724157068 is 860751427.

It is a self number, because there is not a number n which added to its sum of digits gives 724157068.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90519630 + ... + 90519637.

Almost surely, 2^724157068 is an apocalyptic number.

It is an amenable number.

724157068 is a deficient number, since it is larger than the sum of its proper divisors (543117808).

724157068 is a wasteful number, since it uses less digits than its factorization.

724157068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181039271 (or 181039269 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 724157068 is about 26910.1666289899. The cubic root of 724157068 is about 898.0025942257.

The spelling of 724157068 in words is "seven hundred twenty-four million, one hundred fifty-seven thousand, sixty-eight".