42284769 has 8 divisors (see below), whose sum is σ = 57335520. Its totient is φ = 27711936.

The previous prime is 42284731. The next prime is 42284771. The reversal of 42284769 is 96748224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42284769 - 2¹² = 42280673 is a prime.

It is a super-2 number, since 2×42284769² = 3576003378766722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42284769.

It is not an unprimeable number, because it can be changed into a prime (42284719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119272 + ... + 119625.

It is an arithmetic number, because the mean of its divisors is an integer number (7166940).

Almost surely, 2^42284769 is an apocalyptic number.

It is an amenable number.

42284769 is a deficient number, since it is larger than the sum of its proper divisors (15050751).

42284769 is a wasteful number, since it uses less digits than its factorization.

42284769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238959.

The product of its digits is 193536, while the sum is 42.

The square root of 42284769 is about 6502.6739884451. The cubic root of 42284769 is about 348.3865024695.

The spelling of 42284769 in words is "forty-two million, two hundred eighty-four thousand, seven hundred sixty-nine".