42732844 has 36 divisors (see below), whose sum is σ = 93949072. Its totient is φ = 16647840.

The previous prime is 42732839. The next prime is 42732853. The reversal of 42732844 is 44823724.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2919 + ... + 9694.

Almost surely, 2^42732844 is an apocalyptic number.

42732844 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42732844 is an abundant number, since it is smaller than the sum of its proper divisors (51216228).

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

42732844 is a wasteful number, since it uses less digits than its factorization.

42732844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12646 (or 12633 counting only the distinct ones).

The product of its digits is 43008, while the sum is 34.

The square root of 42732844 is about 6537.0363315496. The cubic root of 42732844 is about 349.6127526518.

It can be divided in two parts, 4273 and 2844, that added together give a palindrome (7117).

The spelling of 42732844 in words is "forty-two million, seven hundred thirty-two thousand, eight hundred forty-four".