42691914 has 32 divisors (see below), whose sum is σ = 95256000. Its totient is φ = 14172912.

The previous prime is 42691897. The next prime is 42691919. The reversal of 42691914 is 41919624.

It is a happy number.

42691914 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42691919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13057 + ... + 15995.

It is an arithmetic number, because the mean of its divisors is an integer number (2976750).

Almost surely, 2^42691914 is an apocalyptic number.

42691914 is an abundant number, since it is smaller than the sum of its proper divisors (52564086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42691914 is a wasteful number, since it uses less digits than its factorization.

42691914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3219 (or 3213 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 42691914 is about 6533.9049579865. The cubic root of 42691914 is about 349.5010959829.

The spelling of 42691914 in words is "forty-two million, six hundred ninety-one thousand, nine hundred fourteen".