42906992 has 20 divisors (see below), whose sum is σ = 85161216. Its totient is φ = 20929920.

The previous prime is 42906977. The next prime is 42907003. The reversal of 42906992 is 29960924.

42906992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 32048 + ... + 33359.

Almost surely, 2^42906992 is an apocalyptic number.

It is an amenable number.

42906992 is a deficient number, since it is larger than the sum of its proper divisors (42254224).

42906992 is a wasteful number, since it uses less digits than its factorization.

42906992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65456 (or 65450 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 42906992 is about 6550.3428917882. The cubic root of 42906992 is about 350.0870314181.

The spelling of 42906992 in words is "forty-two million, nine hundred six thousand, nine hundred ninety-two".