42190974 has 48 divisors (see below), whose sum is σ = 110623968. Its totient is φ = 11344896.

The previous prime is 42190943. The next prime is 42190979. The reversal of 42190974 is 47909124.

42190974 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42190979) 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 23 ways as a sum of consecutive naturals, for example, 7707 + ... + 11990.

It is an arithmetic number, because the mean of its divisors is an integer number (2304666).

Almost surely, 2^42190974 is an apocalyptic number.

42190974 is an abundant number, since it is smaller than the sum of its proper divisors (68432994).

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

42190974 is a wasteful number, since it uses less digits than its factorization.

42190974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19729 (or 19726 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 42190974 is about 6495.4579515227. The cubic root of 42190974 is about 348.1287177429.

The spelling of 42190974 in words is "forty-two million, one hundred ninety thousand, nine hundred seventy-four".