42742884 has 12 divisors (see below), whose sum is σ = 99733424. Its totient is φ = 14247624.

The previous prime is 42742877. The next prime is 42742891. The reversal of 42742884 is 48824724.

It is an interprime number because it is at equal distance from previous prime (42742877) and next prime (42742891).

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1780942 + ... + 1780965.

Almost surely, 2^42742884 is an apocalyptic number.

It is an amenable number.

42742884 is an abundant number, since it is smaller than the sum of its proper divisors (56990540).

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

42742884 is a wasteful number, since it uses less digits than its factorization.

42742884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3561914 (or 3561912 counting only the distinct ones).

The product of its digits is 114688, while the sum is 39.

The square root of 42742884 is about 6537.8042185431. The cubic root of 42742884 is about 349.6401307904.

The spelling of 42742884 in words is "forty-two million, seven hundred forty-two thousand, eight hundred eighty-four".