42694895 has 4 divisors (see below), whose sum is σ = 51233880. Its totient is φ = 34155912.

The previous prime is 42694891. The next prime is 42694909. The reversal of 42694895 is 59849624.

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 42694895 - 2² = 42694891 is a prime.

It is a super-2 number, since 2×42694895² = 3645708118122050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42694891) 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, 4269485 + ... + 4269494.

It is an arithmetic number, because the mean of its divisors is an integer number (12808470).

Almost surely, 2^42694895 is an apocalyptic number.

42694895 is a deficient number, since it is larger than the sum of its proper divisors (8538985).

42694895 is an equidigital number, since it uses as much as digits as its factorization.

42694895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8538984.

The product of its digits is 622080, while the sum is 47.

The square root of 42694895 is about 6534.1330718007. The cubic root of 42694895 is about 349.5092305328.

The spelling of 42694895 in words is "forty-two million, six hundred ninety-four thousand, eight hundred ninety-five".