42723753 has 16 divisors (see below), whose sum is σ = 58521600. Its totient is φ = 27714960.

The previous prime is 42723739. The next prime is 42723773. The reversal of 42723753 is 35732724.

It is not a de Polignac number, because 42723753 - 2⁵ = 42723721 is a prime.

It is a super-3 number, since 3×42723753³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (42723713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15558 + ... + 18096.

It is an arithmetic number, because the mean of its divisors is an integer number (3657600).

Almost surely, 2^42723753 is an apocalyptic number.

It is an amenable number.

42723753 is a deficient number, since it is larger than the sum of its proper divisors (15797847).

42723753 is a wasteful number, since it uses less digits than its factorization.

42723753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2692.

The product of its digits is 35280, while the sum is 33.

The square root of 42723753 is about 6536.3409488796. The cubic root of 42723753 is about 349.5879586476.

The spelling of 42723753 in words is "forty-two million, seven hundred twenty-three thousand, seven hundred fifty-three".