42774036 has 12 divisors (see below), whose sum is σ = 99806112. Its totient is φ = 14258008.

The previous prime is 42774013. The next prime is 42774041. The reversal of 42774036 is 63047724.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 42773988 and 42774006.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1782240 + ... + 1782263.

It is an arithmetic number, because the mean of its divisors is an integer number (8317176).

Almost surely, 2^42774036 is an apocalyptic number.

It is an amenable number.

42774036 is an abundant number, since it is smaller than the sum of its proper divisors (57032076).

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

42774036 is a wasteful number, since it uses less digits than its factorization.

42774036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3564510 (or 3564508 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 42774036 is about 6540.1862358804. The cubic root of 42774036 is about 349.7250520942.

The spelling of 42774036 in words is "forty-two million, seven hundred seventy-four thousand, thirty-six".