42713791 has 4 divisors (see below), whose sum is σ = 43128592. Its totient is φ = 42298992.

The previous prime is 42713789. The next prime is 42713807. The reversal of 42713791 is 19731724.

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 42713791 - 2¹ = 42713789 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 (42713701) 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, 207246 + ... + 207451.

It is an arithmetic number, because the mean of its divisors is an integer number (10782148).

Almost surely, 2^42713791 is an apocalyptic number.

42713791 is a deficient number, since it is larger than the sum of its proper divisors (414801).

42713791 is a wasteful number, since it uses less digits than its factorization.

42713791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414800.

The product of its digits is 10584, while the sum is 34.

The square root of 42713791 is about 6535.5788573010. The cubic root of 42713791 is about 349.5607851144.

The spelling of 42713791 in words is "forty-two million, seven hundred thirteen thousand, seven hundred ninety-one".