42100474 has 8 divisors (see below), whose sum is σ = 68008500. Its totient is φ = 19430976.

The previous prime is 42100463. The next prime is 42100477. The reversal of 42100474 is 47400124.

42100474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 40259025 + 1841449 = 6345^2 + 1357^2 .

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

It is a super-2 number, since 2×42100474² = 3544899822049352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42100477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 809599 + ... + 809650.

Almost surely, 2^42100474 is an apocalyptic number.

42100474 is a deficient number, since it is larger than the sum of its proper divisors (25908026).

42100474 is a wasteful number, since it uses less digits than its factorization.

42100474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619264.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 42100474 is about 6488.4878053365. The cubic root of 42100474 is about 347.8796265315.

Adding to 42100474 its reverse (47400124), we get a palindrome (89500598).

The spelling of 42100474 in words is "forty-two million, one hundred thousand, four hundred seventy-four".