42450874 has 4 divisors (see below), whose sum is σ = 63676314. Its totient is φ = 21225436.

The previous prime is 42450871. The next prime is 42450907. The reversal of 42450874 is 47805424.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22155849 + 20295025 = 4707^2 + 4505^2 .

It is not an unprimeable number, because it can be changed into a prime (42450871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10612717 + ... + 10612720.

Almost surely, 2^42450874 is an apocalyptic number.

42450874 is a deficient number, since it is larger than the sum of its proper divisors (21225440).

42450874 is a wasteful number, since it uses less digits than its factorization.

42450874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21225439.

The product of its (nonzero) digits is 35840, while the sum is 34.

The square root of 42450874 is about 6515.4335235654. The cubic root of 42450874 is about 348.8420891348.

The spelling of 42450874 in words is "forty-two million, four hundred fifty thousand, eight hundred seventy-four".