42669903 has 8 divisors (see below), whose sum is σ = 57415600. Its totient is φ = 28185408.

The previous prime is 42669863. The next prime is 42669923. The reversal of 42669903 is 30996624.

It is a happy number.

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

It is not a de Polignac number, because 42669903 - 2⁹ = 42669391 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 (42669923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64918 + ... + 65571.

It is an arithmetic number, because the mean of its divisors is an integer number (7176950).

Almost surely, 2^42669903 is an apocalyptic number.

42669903 is a deficient number, since it is larger than the sum of its proper divisors (14745697).

42669903 is a wasteful number, since it uses less digits than its factorization.

42669903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130601.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 42669903 is about 6532.2203728901. The cubic root of 42669903 is about 349.4410206636.

The spelling of 42669903 in words is "forty-two million, six hundred sixty-nine thousand, nine hundred three".