42854769 has 12 divisors (see below), whose sum is σ = 63574836. Its totient is φ = 27797472.

The previous prime is 42854759. The next prime is 42854783. The reversal of 42854769 is 96745824.

It is a happy number.

42854769 is a `hidden beast` number, since 42 + 8 + 547 + 69 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 40640625 + 2214144 = 6375^2 + 1488^2 .

It is not a de Polignac number, because 42854769 - 2⁵ = 42854737 is a prime.

It is a super-2 number, since 2×42854769² = 3673062452086722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (42854719) 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, 64014 + ... + 64679.

It is an arithmetic number, because the mean of its divisors is an integer number (5297903).

Almost surely, 2^42854769 is an apocalyptic number.

It is an amenable number.

42854769 is a deficient number, since it is larger than the sum of its proper divisors (20720067).

42854769 is a wasteful number, since it uses less digits than its factorization.

42854769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128736 (or 128733 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 42854769 is about 6546.3553982350. The cubic root of 42854769 is about 349.9449409989.

The spelling of 42854769 in words is "forty-two million, eight hundred fifty-four thousand, seven hundred sixty-nine".