42287699 has 4 divisors (see below), whose sum is σ = 42500400. Its totient is φ = 42075000.

The previous prime is 42287681. The next prime is 42287723. The reversal of 42287699 is 99678224.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42287699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42287629) 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, 106052 + ... + 106449.

It is an arithmetic number, because the mean of its divisors is an integer number (10625100).

Almost surely, 2^42287699 is an apocalyptic number.

42287699 is a deficient number, since it is larger than the sum of its proper divisors (212701).

42287699 is a wasteful number, since it uses less digits than its factorization.

42287699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212700.

The product of its digits is 435456, while the sum is 47.

The square root of 42287699 is about 6502.8992764766. The cubic root of 42287699 is about 348.3945490932.

The spelling of 42287699 in words is "forty-two million, two hundred eighty-seven thousand, six hundred ninety-nine".