723994632 has 64 divisors (see below), whose sum is σ = 2014473600. Its totient is φ = 240926400.

The previous prime is 723994613. The next prime is 723994637. The reversal of 723994632 is 236499327.

723994632 is a `hidden beast` number, since 7 + 2 + 3 + 9 + 9 + 4 + 632 = 666.

It is not an unprimeable number, because it can be changed into a prime (723994637) 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, 143757 + ... + 148707.

It is an arithmetic number, because the mean of its divisors is an integer number (31476150).

Almost surely, 2^723994632 is an apocalyptic number.

723994632 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

723994632 is an abundant number, since it is smaller than the sum of its proper divisors (1290478968).

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

723994632 is a wasteful number, since it uses less digits than its factorization.

723994632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5643 (or 5633 counting only the distinct ones).

The product of its digits is 489888, while the sum is 45.

The square root of 723994632 is about 26907.1483438881. The cubic root of 723994632 is about 897.9354454151.

The spelling of 723994632 in words is "seven hundred twenty-three million, nine hundred ninety-four thousand, six hundred thirty-two".