42774382 has 32 divisors (see below), whose sum is σ = 75043584. Its totient is φ = 17908800.

The previous prime is 42774349. The next prime is 42774419. The reversal of 42774382 is 28347724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152082 + ... + 152362.

It is an arithmetic number, because the mean of its divisors is an integer number (2345112).

Almost surely, 2^42774382 is an apocalyptic number.

42774382 is a deficient number, since it is larger than the sum of its proper divisors (32269202).

42774382 is a wasteful number, since it uses less digits than its factorization.

42774382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504.

The product of its digits is 75264, while the sum is 37.

The square root of 42774382 is about 6540.2126876731. The cubic root of 42774382 is about 349.7259950692.

The spelling of 42774382 in words is "forty-two million, seven hundred seventy-four thousand, three hundred eighty-two".