42274064 has 40 divisors (see below), whose sum is σ = 95529600. Its totient is φ = 18115104.

The previous prime is 42274027. The next prime is 42274079. The reversal of 42274064 is 46047224.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1637 + ... + 9339.

It is an arithmetic number, because the mean of its divisors is an integer number (2388240).

Almost surely, 2^42274064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42274064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47764800).

42274064 is an abundant number, since it is smaller than the sum of its proper divisors (53255536).

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

42274064 is an equidigital number, since it uses as much as digits as its factorization.

42274064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7732 (or 7712 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 42274064 is about 6501.8508134223. The cubic root of 42274064 is about 348.3571002965.

It can be divided in two parts, 4 and 2274064, that multiplied together give a square (9096256 = 3016²).

The spelling of 42274064 in words is "forty-two million, two hundred seventy-four thousand, sixty-four".