42170099 has 8 divisors (see below), whose sum is σ = 43294608. Its totient is φ = 41050240.

The previous prime is 42170083. The next prime is 42170119. The reversal of 42170099 is 99007124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42170099 - 2⁴ = 42170083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42170299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24464 + ... + 26130.

It is an arithmetic number, because the mean of its divisors is an integer number (5411826).

Almost surely, 2^42170099 is an apocalyptic number.

42170099 is a deficient number, since it is larger than the sum of its proper divisors (1124509).

42170099 is a wasteful number, since it uses less digits than its factorization.

42170099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2325.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 42170099 is about 6493.8508606219. The cubic root of 42170099 is about 348.0712932501.

The spelling of 42170099 in words is "forty-two million, one hundred seventy thousand, ninety-nine".