723847492 has 24 divisors (see below), whose sum is σ = 1277480960. Its totient is φ = 358862400.

The previous prime is 723847483. The next prime is 723847493. The reversal of 723847492 is 294748327.

It is not an unprimeable number, because it can be changed into a prime (723847493) 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 7 ways as a sum of consecutive naturals, for example, 565309 + ... + 566587.

Almost surely, 2^723847492 is an apocalyptic number.

It is an amenable number.

723847492 is a deficient number, since it is larger than the sum of its proper divisors (553633468).

723847492 is a wasteful number, since it uses less digits than its factorization.

723847492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2371 (or 2369 counting only the distinct ones).

The product of its digits is 677376, while the sum is 46.

The square root of 723847492 is about 26904.4139872996. The cubic root of 723847492 is about 897.8746110907.

The spelling of 723847492 in words is "seven hundred twenty-three million, eight hundred forty-seven thousand, four hundred ninety-two".