42281748 has 36 divisors (see below), whose sum is σ = 108239040. Its totient is φ = 13914576.

The previous prime is 42281747. The next prime is 42281749. The reversal of 42281748 is 84718224.

It is an interprime number because it is at equal distance from previous prime (42281747) and next prime (42281749).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42281741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4590 + ... + 10277.

It is an arithmetic number, because the mean of its divisors is an integer number (3006640).

Almost surely, 2^42281748 is an apocalyptic number.

It is an amenable number.

42281748 is an abundant number, since it is smaller than the sum of its proper divisors (65957292).

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

42281748 is a wasteful number, since it uses less digits than its factorization.

42281748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14956 (or 14951 counting only the distinct ones).

The product of its digits is 28672, while the sum is 36.

The square root of 42281748 is about 6502.4416952403. The cubic root of 42281748 is about 348.3782055444.

The spelling of 42281748 in words is "forty-two million, two hundred eighty-one thousand, seven hundred forty-eight".