42865629 has 8 divisors (see below), whose sum is σ = 59639232. Its totient is φ = 27334560.

The previous prime is 42865621. The next prime is 42865639. The reversal of 42865629 is 92656824.

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

It is not a de Polignac number, because 42865629 - 2³ = 42865621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42865621) 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, 310552 + ... + 310689.

It is an arithmetic number, because the mean of its divisors is an integer number (7454904).

Almost surely, 2^42865629 is an apocalyptic number.

It is an amenable number.

42865629 is a deficient number, since it is larger than the sum of its proper divisors (16773603).

42865629 is a wasteful number, since it uses less digits than its factorization.

42865629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621267.

The product of its digits is 207360, while the sum is 42.

The square root of 42865629 is about 6547.1848148651. The cubic root of 42865629 is about 349.9744988223.

The spelling of 42865629 in words is "forty-two million, eight hundred sixty-five thousand, six hundred twenty-nine".