42474999 has 8 divisors (see below), whose sum is σ = 64723840. Its totient is φ = 24271416.

The previous prime is 42474989. The next prime is 42475003. The reversal of 42474999 is 99947424.

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

It is not a de Polignac number, because 42474999 - 2⁵ = 42474967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42474979) 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, 1011289 + ... + 1011330.

It is an arithmetic number, because the mean of its divisors is an integer number (8090480).

Almost surely, 2^42474999 is an apocalyptic number.

42474999 is a deficient number, since it is larger than the sum of its proper divisors (22248841).

42474999 is a wasteful number, since it uses less digits than its factorization.

42474999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022629.

The product of its digits is 653184, while the sum is 48.

The square root of 42474999 is about 6517.2846339561. The cubic root of 42474999 is about 348.9081594011.

The spelling of 42474999 in words is "forty-two million, four hundred seventy-four thousand, nine hundred ninety-nine".