42864759 has 54 divisors (see below), whose sum is σ = 75066264. Its totient is φ = 23496480.

The previous prime is 42864749. The next prime is 42864763. The reversal of 42864759 is 95746824.

It is a happy number.

It is not a de Polignac number, because 42864759 - 2⁵ = 42864727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42864719) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 603694 + ... + 603764.

It is an arithmetic number, because the mean of its divisors is an integer number (1390116).

Almost surely, 2^42864759 is an apocalyptic number.

42864759 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

42864759 is a deficient number, since it is larger than the sum of its proper divisors (32201505).

42864759 is a wasteful number, since it uses less digits than its factorization.

42864759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 118 counting only the distinct ones).

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

The square root of 42864759 is about 6547.1183737580. The cubic root of 42864759 is about 349.9721311143.

It can be divided in two parts, 4286 and 4759, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 42864759 in words is "forty-two million, eight hundred sixty-four thousand, seven hundred fifty-nine".