42754866 has 96 divisors (see below), whose sum is σ = 110315520. Its totient is φ = 10808160.

The previous prime is 42754781. The next prime is 42754867. The reversal of 42754866 is 66845724.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42754867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 238765 + ... + 238943.

It is an arithmetic number, because the mean of its divisors is an integer number (1149120).

Almost surely, 2^42754866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42754866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55157760).

42754866 is an abundant number, since it is smaller than the sum of its proper divisors (67560654).

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

42754866 is a wasteful number, since it uses less digits than its factorization.

42754866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260 (or 249 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 42754866 is about 6538.7205170431. The cubic root of 42754866 is about 349.6727989700.

The spelling of 42754866 in words is "forty-two million, seven hundred fifty-four thousand, eight hundred sixty-six".