42174999 has 10 divisors (see below), whose sum is σ = 63002280. Its totient is φ = 28116612.

The previous prime is 42174997. The next prime is 42175033. The reversal of 42174999 is 99947124.

It is a happy number.

It is not a de Polignac number, because 42174999 - 2¹ = 42174997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42174997) 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 9 ways as a sum of consecutive naturals, for example, 260259 + ... + 260420.

It is an arithmetic number, because the mean of its divisors is an integer number (6300228).

Almost surely, 2^42174999 is an apocalyptic number.

42174999 is a deficient number, since it is larger than the sum of its proper divisors (20827281).

42174999 is an equidigital number, since it uses as much as digits as its factorization.

42174999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520691 (or 520682 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 42174999 is about 6494.2281296548. The cubic root of 42174999 is about 348.0847742340.

It can be divided in two parts, 4217 and 4999, that added together give a square (9216 = 96²).

The spelling of 42174999 in words is "forty-two million, one hundred seventy-four thousand, nine hundred ninety-nine".