42752923 has 4 divisors (see below), whose sum is σ = 42804720. Its totient is φ = 42701128.

The previous prime is 42752921. The next prime is 42752959. The reversal of 42752923 is 32925724.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42752923 - 2¹ = 42752921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42752921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24640 + ... + 26317.

It is an arithmetic number, because the mean of its divisors is an integer number (10701180).

Almost surely, 2^42752923 is an apocalyptic number.

42752923 is a deficient number, since it is larger than the sum of its proper divisors (51797).

42752923 is an equidigital number, since it uses as much as digits as its factorization.

42752923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51796.

The product of its digits is 30240, while the sum is 34.

The square root of 42752923 is about 6538.5719388870. The cubic root of 42752923 is about 349.6675019157.

The spelling of 42752923 in words is "forty-two million, seven hundred fifty-two thousand, nine hundred twenty-three".