42723432724 has 12 divisors (see below), whose sum is σ = 85446865504. Its totient is φ = 18310042584.

The previous prime is 42723432707. The next prime is 42723432743.

42723432724 is nontrivially palindromic in base 10.

42723432724 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 762918414 + ... + 762918469.

Almost surely, 2^42723432724 is an apocalyptic number.

It is an amenable number.

42723432724 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42723432724 is a wasteful number, since it uses less digits than its factorization.

42723432724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525836894 (or 1525836892 counting only the distinct ones).

The product of its digits is 451584, while the sum is 40.

The spelling of 42723432724 in words is "forty-two billion, seven hundred twenty-three million, four hundred thirty-two thousand, seven hundred twenty-four".