42766699 has 2 divisors, whose sum is σ = 42766700. Its totient is φ = 42766698.

The previous prime is 42766697. The next prime is 42766727. The reversal of 42766699 is 99666724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42766699 - 2¹ = 42766697 is a prime.

Together with 42766697, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (42766697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21383349 + 21383350.

It is an arithmetic number, because the mean of its divisors is an integer number (21383350).

Almost surely, 2^42766699 is an apocalyptic number.

42766699 is a deficient number, since it is larger than the sum of its proper divisors (1).

42766699 is an equidigital number, since it uses as much as digits as its factorization.

42766699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 49.

The square root of 42766699 is about 6539.6252950762. The cubic root of 42766699 is about 349.7050549209.

The spelling of 42766699 in words is "forty-two million, seven hundred sixty-six thousand, six hundred ninety-nine".