42574266 has 24 divisors (see below), whose sum is σ = 105422304. Its totient is φ = 12164040.

The previous prime is 42574247. The next prime is 42574267. The reversal of 42574266 is 66247524.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42574266.

It is not an unprimeable number, because it can be changed into a prime (42574267) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168820 + ... + 169071.

It is an arithmetic number, because the mean of its divisors is an integer number (4392596).

Almost surely, 2^42574266 is an apocalyptic number.

42574266 is an abundant number, since it is smaller than the sum of its proper divisors (62848038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42574266 is a wasteful number, since it uses less digits than its factorization.

42574266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337906 (or 337903 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 42574266 is about 6524.8958612379. The cubic root of 42574266 is about 349.1797554030.

It can be divided in two parts, 425 and 74266, that added together give a triangular number (74691 = T₃₈₆).

The spelling of 42574266 in words is "forty-two million, five hundred seventy-four thousand, two hundred sixty-six".