42744548 has 48 divisors (see below), whose sum is σ = 94034304. Its totient is φ = 16515840.

The previous prime is 42744539. The next prime is 42744563. The reversal of 42744548 is 84544724.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41690 + ... + 42702.

It is an arithmetic number, because the mean of its divisors is an integer number (1959048).

Almost surely, 2^42744548 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42744548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47017152).

42744548 is an abundant number, since it is smaller than the sum of its proper divisors (51289756).

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

42744548 is a wasteful number, since it uses less digits than its factorization.

42744548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172 (or 1170 counting only the distinct ones).

The product of its digits is 143360, while the sum is 38.

The square root of 42744548 is about 6537.9314771570. The cubic root of 42744548 is about 349.6446679482.

The spelling of 42744548 in words is "forty-two million, seven hundred forty-four thousand, five hundred forty-eight".