724866946 has 8 divisors (see below), whose sum is σ = 1088300304. Its totient is φ = 362100180.

The previous prime is 724866943. The next prime is 724866973. The reversal of 724866946 is 649668427.

It is a happy number.

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 = 724866893 and 724866902.

It is not an unprimeable number, because it can be changed into a prime (724866941) 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, 163920 + ... + 168283.

It is an arithmetic number, because the mean of its divisors is an integer number (136037538).

Almost surely, 2^724866946 is an apocalyptic number.

724866946 is a deficient number, since it is larger than the sum of its proper divisors (363433358).

724866946 is a wasteful number, since it uses less digits than its factorization.

724866946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333296.

The product of its digits is 3483648, while the sum is 52.

The square root of 724866946 is about 26923.3531715498. The cubic root of 724866946 is about 898.2959302648.

The spelling of 724866946 in words is "seven hundred twenty-four million, eight hundred sixty-six thousand, nine hundred forty-six".