42864782 has 8 divisors (see below), whose sum is σ = 64652952. Its totient is φ = 21313800.

The previous prime is 42864763. The next prime is 42864821. The reversal of 42864782 is 28746824.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58844 + ... + 59567.

It is an arithmetic number, because the mean of its divisors is an integer number (8081619).

Almost surely, 2^42864782 is an apocalyptic number.

42864782 is a deficient number, since it is larger than the sum of its proper divisors (21788170).

42864782 is a wasteful number, since it uses less digits than its factorization.

42864782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118594.

The product of its digits is 172032, while the sum is 41.

The square root of 42864782 is about 6547.1201302557. The cubic root of 42864782 is about 349.9721937093.

The spelling of 42864782 in words is "forty-two million, eight hundred sixty-four thousand, seven hundred eighty-two".