42723748 has 12 divisors (see below), whose sum is σ = 74889472. Its totient is φ = 21326760.

The previous prime is 42723739. The next prime is 42723773. The reversal of 42723748 is 84732724.

42723748 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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, 5940 + ... + 10987.

Almost surely, 2^42723748 is an apocalyptic number.

It is an amenable number.

42723748 is a deficient number, since it is larger than the sum of its proper divisors (32165724).

42723748 is a wasteful number, since it uses less digits than its factorization.

42723748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17562 (or 17560 counting only the distinct ones).

The product of its digits is 75264, while the sum is 37.

The square root of 42723748 is about 6536.3405664026. The cubic root of 42723748 is about 349.5879450100.

The spelling of 42723748 in words is "forty-two million, seven hundred twenty-three thousand, seven hundred forty-eight".