42723758 has 16 divisors (see below), whose sum is σ = 79899264. Its totient is φ = 16645560.

The previous prime is 42723739. The next prime is 42723773. The reversal of 42723758 is 85732724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138560 + ... + 138867.

It is an arithmetic number, because the mean of its divisors is an integer number (4993704).

Almost surely, 2^42723758 is an apocalyptic number.

42723758 is a deficient number, since it is larger than the sum of its proper divisors (37175506).

42723758 is a wasteful number, since it uses less digits than its factorization.

42723758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277447.

The product of its digits is 94080, while the sum is 38.

The square root of 42723758 is about 6536.3413313566. The cubic root of 42723758 is about 349.5879722851.

The spelling of 42723758 in words is "forty-two million, seven hundred twenty-three thousand, seven hundred fifty-eight".