42359791 has 4 divisors (see below), whose sum is σ = 42374800. Its totient is φ = 42344784.

The previous prime is 42359777. The next prime is 42359809. The reversal of 42359791 is 19795324.

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 42359791 - 2⁷ = 42359663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42359701) 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, 1851 + ... + 9388.

It is an arithmetic number, because the mean of its divisors is an integer number (10593700).

Almost surely, 2^42359791 is an apocalyptic number.

42359791 is a deficient number, since it is larger than the sum of its proper divisors (15009).

42359791 is a wasteful number, since it uses less digits than its factorization.

42359791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15008.

The product of its digits is 68040, while the sum is 40.

The square root of 42359791 is about 6508.4399820541. The cubic root of 42359791 is about 348.5924175128.

The spelling of 42359791 in words is "forty-two million, three hundred fifty-nine thousand, seven hundred ninety-one".