42177774 has 32 divisors (see below), whose sum is σ = 87736320. Its totient is φ = 13501152.

The previous prime is 42177727. The next prime is 42177781. The reversal of 42177774 is 47777124.

42177774 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38259 + ... + 39345.

It is an arithmetic number, because the mean of its divisors is an integer number (2741760).

Almost surely, 2^42177774 is an apocalyptic number.

42177774 is an abundant number, since it is smaller than the sum of its proper divisors (45558546).

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

42177774 is a wasteful number, since it uses less digits than its factorization.

42177774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344.

The product of its digits is 76832, while the sum is 39.

The square root of 42177774 is about 6494.4417773970. The cubic root of 42177774 is about 348.0924084098.

The spelling of 42177774 in words is "forty-two million, one hundred seventy-seven thousand, seven hundred seventy-four".