42474190 has 16 divisors (see below), whose sum is σ = 83404080. Its totient is φ = 15445120.

The previous prime is 42474149. The next prime is 42474191. The reversal of 42474190 is 9147424.

It is a super-2 number, since 2×42474190² = 3608113632312200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42474191) 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, 192955 + ... + 193174.

It is an arithmetic number, because the mean of its divisors is an integer number (5212755).

Almost surely, 2^42474190 is an apocalyptic number.

42474190 is a deficient number, since it is larger than the sum of its proper divisors (40929890).

42474190 is a wasteful number, since it uses less digits than its factorization.

42474190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386147.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 42474190 is about 6517.2225679349. Note that the first 3 decimals coincide. The cubic root of 42474190 is about 348.9059442275.

The spelling of 42474190 in words is "forty-two million, four hundred seventy-four thousand, one hundred ninety".