723432492 has 96 divisors (see below), whose sum is σ = 2003097600. Its totient is φ = 225288000.

The previous prime is 723432491. The next prime is 723432497. The reversal of 723432492 is 294234327.

It is a happy number.

723432492 is a `hidden beast` number, since 72 + 343 + 249 + 2 = 666.

723432492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (723432491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93367 + ... + 100817.

It is an arithmetic number, because the mean of its divisors is an integer number (20865600).

Almost surely, 2^723432492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 723432492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1001548800).

723432492 is an abundant number, since it is smaller than the sum of its proper divisors (1279665108).

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

723432492 is a wasteful number, since it uses less digits than its factorization.

723432492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7524 (or 7516 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 723432492 is about 26896.7003924273. The cubic root of 723432492 is about 897.7029869107.

The spelling of 723432492 in words is "seven hundred twenty-three million, four hundred thirty-two thousand, four hundred ninety-two".