42520174 has 4 divisors (see below), whose sum is σ = 63780264. Its totient is φ = 21260086.

The previous prime is 42520139. The next prime is 42520183. The reversal of 42520174 is 47102524.

42520174 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10630042 + ... + 10630045.

It is an arithmetic number, because the mean of its divisors is an integer number (15945066).

Almost surely, 2^42520174 is an apocalyptic number.

42520174 is a deficient number, since it is larger than the sum of its proper divisors (21260090).

42520174 is a wasteful number, since it uses less digits than its factorization.

42520174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21260089.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 42520174 is about 6520.7494967987. The cubic root of 42520174 is about 349.0318112890.

Adding to 42520174 its reverse (47102524), we get a palindrome (89622698).

The spelling of 42520174 in words is "forty-two million, five hundred twenty thousand, one hundred seventy-four".