42120674 has 16 divisors (see below), whose sum is σ = 64683360. Its totient is φ = 20565600.

The previous prime is 42120649. The next prime is 42120677. The reversal of 42120674 is 47602124.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42120677) 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, 13349 + ... + 16199.

It is an arithmetic number, because the mean of its divisors is an integer number (4042710).

Almost surely, 2^42120674 is an apocalyptic number.

42120674 is a deficient number, since it is larger than the sum of its proper divisors (22562686).

42120674 is a wasteful number, since it uses less digits than its factorization.

42120674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3025.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 42120674 is about 6490.0442217292. The cubic root of 42120674 is about 347.9352557141.

Adding to 42120674 its reverse (47602124), we get a palindrome (89722798).

The spelling of 42120674 in words is "forty-two million, one hundred twenty thousand, six hundred seventy-four".