42774804 has 42 divisors (see below), whose sum is σ = 112240170. Its totient is φ = 14257296.

The previous prime is 42774803. The next prime is 42774817. The reversal of 42774804 is 40847724.

It can be written as a sum of positive squares in only one way, i.e., 38564100 + 4210704 = 6210^2 + 2052^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42774803) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 4419 + ... + 10250.

It is an arithmetic number, because the mean of its divisors is an integer number (2672385).

Almost surely, 2^42774804 is an apocalyptic number.

It is an amenable number.

42774804 is an abundant number, since it is smaller than the sum of its proper divisors (69465366).

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

42774804 is a wasteful number, since it uses less digits than its factorization.

42774804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14691 (or 14674 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The square root of 42774804 is about 6540.2449495413. The cubic root of 42774804 is about 349.7271451648.

The spelling of 42774804 in words is "forty-two million, seven hundred seventy-four thousand, eight hundred four".