723986474 has 8 divisors (see below), whose sum is σ = 1115330628. Its totient is φ = 352209600.

The previous prime is 723986441. The next prime is 723986513. The reversal of 723986474 is 474689327.

It can be written as a sum of positive squares in 2 ways, for example, as 603930625 + 120055849 = 24575^2 + 10957^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4891727 + ... + 4891874.

Almost surely, 2^723986474 is an apocalyptic number.

723986474 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

723986474 is a deficient number, since it is larger than the sum of its proper divisors (391344154).

723986474 is a wasteful number, since it uses less digits than its factorization.

723986474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9783640.

The product of its digits is 2032128, while the sum is 50.

The square root of 723986474 is about 26906.9967480579. The cubic root of 723986474 is about 897.9320727451.

The spelling of 723986474 in words is "seven hundred twenty-three million, nine hundred eighty-six thousand, four hundred seventy-four".