724784745 has 8 divisors (see below), whose sum is σ = 1159655616. Its totient is φ = 386551856.

The previous prime is 724784719. The next prime is 724784777. The reversal of 724784745 is 547487427.

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

It is a cyclic number.

It is not a de Polignac number, because 724784745 - 2⁹ = 724784233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 724784694 and 724784703.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24159477 + ... + 24159506.

It is an arithmetic number, because the mean of its divisors is an integer number (144956952).

Almost surely, 2^724784745 is an apocalyptic number.

It is an amenable number.

724784745 is a deficient number, since it is larger than the sum of its proper divisors (434870871).

724784745 is a wasteful number, since it uses less digits than its factorization.

724784745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48318991.

The product of its digits is 1756160, while the sum is 48.

The square root of 724784745 is about 26921.8265539320. The cubic root of 724784745 is about 898.2619729454.

The spelling of 724784745 in words is "seven hundred twenty-four million, seven hundred eighty-four thousand, seven hundred forty-five".