724766730 has 32 divisors (see below), whose sum is σ = 1786454784. Its totient is φ = 188047296.

The previous prime is 724766699. The next prime is 724766737. The reversal of 724766730 is 37667427.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (724766737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325362 + ... + 327581.

It is an arithmetic number, because the mean of its divisors is an integer number (55826712).

Almost surely, 2^724766730 is an apocalyptic number.

724766730 is an abundant number, since it is smaller than the sum of its proper divisors (1061688054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

724766730 is a wasteful number, since it uses less digits than its factorization.

724766730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652990.

The product of its (nonzero) digits is 296352, while the sum is 42.

The square root of 724766730 is about 26921.4919720286. The cubic root of 724766730 is about 898.2545305870.

The spelling of 724766730 in words is "seven hundred twenty-four million, seven hundred sixty-six thousand, seven hundred thirty".