42744504 has 32 divisors (see below), whose sum is σ = 116576640. Its totient is φ = 12952800.

The previous prime is 42744503. The next prime is 42744539. The reversal of 42744504 is 40544724.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42744503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80692 + ... + 81219.

It is an arithmetic number, because the mean of its divisors is an integer number (3643020).

Almost surely, 2^42744504 is an apocalyptic number.

42744504 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42744504 is an abundant number, since it is smaller than the sum of its proper divisors (73832136).

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

42744504 is a wasteful number, since it uses less digits than its factorization.

42744504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161931 (or 161927 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 30.

The square root of 42744504 is about 6537.9281121774. The cubic root of 42744504 is about 349.6445479768.

It can be divided in two parts, 4274 and 4504, that added together give a palindrome (8778).

The spelling of 42744504 in words is "forty-two million, seven hundred forty-four thousand, five hundred four".