42194097 has 24 divisors (see below), whose sum is σ = 68290560. Its totient is φ = 24878880.

The previous prime is 42194077. The next prime is 42194107. The reversal of 42194097 is 79049124.

It is not a de Polignac number, because 42194097 - 2⁸ = 42193841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42194057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2097 + ... + 9422.

It is an arithmetic number, because the mean of its divisors is an integer number (2845440).

Almost surely, 2^42194097 is an apocalyptic number.

It is an amenable number.

42194097 is a deficient number, since it is larger than the sum of its proper divisors (26096463).

42194097 is a wasteful number, since it uses less digits than its factorization.

42194097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11573 (or 11570 counting only the distinct ones).

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

The square root of 42194097 is about 6495.6983458286. The cubic root of 42194097 is about 348.1373070932.

The spelling of 42194097 in words is "forty-two million, one hundred ninety-four thousand, ninety-seven".