42715805 has 8 divisors (see below), whose sum is σ = 55918944. Its totient is φ = 31066000.

The previous prime is 42715787. The next prime is 42715837. The reversal of 42715805 is 50851724.

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

It is not a de Polignac number, because 42715805 - 2⁶ = 42715741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388271 + ... + 388380.

It is an arithmetic number, because the mean of its divisors is an integer number (6989868).

Almost surely, 2^42715805 is an apocalyptic number.

It is an amenable number.

42715805 is a deficient number, since it is larger than the sum of its proper divisors (13203139).

42715805 is a wasteful number, since it uses less digits than its factorization.

42715805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776667.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 42715805 is about 6535.7329351803. The cubic root of 42715805 is about 349.5662790804.

The spelling of 42715805 in words is "forty-two million, seven hundred fifteen thousand, eight hundred five".