42420792 has 32 divisors (see below), whose sum is σ = 107049600. Its totient is φ = 14007264.

The previous prime is 42420769. The next prime is 42420793. The reversal of 42420792 is 29702424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42420793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5692 + ... + 10827.

It is an arithmetic number, because the mean of its divisors is an integer number (3345300).

Almost surely, 2^42420792 is an apocalyptic number.

It is an amenable number.

42420792 is an abundant number, since it is smaller than the sum of its proper divisors (64628808).

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

42420792 is a wasteful number, since it uses less digits than its factorization.

42420792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16635 (or 16631 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 42420792 is about 6513.1245957681. The cubic root of 42420792 is about 348.7596695717.

The spelling of 42420792 in words is "forty-two million, four hundred twenty thousand, seven hundred ninety-two".