42860791 has 4 divisors (see below), whose sum is σ = 45382032. Its totient is φ = 40339552.

The previous prime is 42860777. The next prime is 42860801. The reversal of 42860791 is 19706824.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42860791 - 2⁵ = 42860759 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42860791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42860761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1260595 + ... + 1260628.

It is an arithmetic number, because the mean of its divisors is an integer number (11345508).

Almost surely, 2^42860791 is an apocalyptic number.

42860791 is a deficient number, since it is larger than the sum of its proper divisors (2521241).

42860791 is a wasteful number, since it uses less digits than its factorization.

42860791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2521240.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 42860791 is about 6546.8153326637. The cubic root of 42860791 is about 349.9613317825.

The spelling of 42860791 in words is "forty-two million, eight hundred sixty thousand, seven hundred ninety-one".