42281967 has 32 divisors (see below), whose sum is σ = 70551040. Its totient is φ = 21928320.

The previous prime is 42281959. The next prime is 42282007. The reversal of 42281967 is 76918224.

It is not a de Polignac number, because 42281967 - 2³ = 42281959 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42281957) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15384 + ... + 17922.

It is an arithmetic number, because the mean of its divisors is an integer number (2204720).

Almost surely, 2^42281967 is an apocalyptic number.

42281967 is a deficient number, since it is larger than the sum of its proper divisors (28269073).

42281967 is a wasteful number, since it uses less digits than its factorization.

42281967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2623.

The product of its digits is 48384, while the sum is 39.

The square root of 42281967 is about 6502.4585350466. The cubic root of 42281967 is about 348.3788070229.

The spelling of 42281967 in words is "forty-two million, two hundred eighty-one thousand, nine hundred sixty-seven".