42774686 has 8 divisors (see below), whose sum is σ = 67936320. Its totient is φ = 20129248.

The previous prime is 42774661. The next prime is 42774689. The reversal of 42774686 is 68647724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42774689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 629006 + ... + 629073.

It is an arithmetic number, because the mean of its divisors is an integer number (8492040).

Almost surely, 2^42774686 is an apocalyptic number.

42774686 is a deficient number, since it is larger than the sum of its proper divisors (25161634).

42774686 is a wasteful number, since it uses less digits than its factorization.

42774686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258098.

The product of its digits is 451584, while the sum is 44.

The square root of 42774686 is about 6540.2359284662. The cubic root of 42774686 is about 349.7268235749.

The spelling of 42774686 in words is "forty-two million, seven hundred seventy-four thousand, six hundred eighty-six".