42277916 has 12 divisors (see below), whose sum is σ = 74041800. Its totient is φ = 21123120.

The previous prime is 42277909. The next prime is 42277927. The reversal of 42277916 is 61977224.

It is a super-3 number, since 3×42277916³ (a number of 24 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 42277916.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3686 + ... + 9906.

It is an arithmetic number, because the mean of its divisors is an integer number (6170150).

Almost surely, 2^42277916 is an apocalyptic number.

It is an amenable number.

42277916 is a deficient number, since it is larger than the sum of its proper divisors (31763884).

42277916 is a wasteful number, since it uses less digits than its factorization.

42277916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7924 (or 7922 counting only the distinct ones).

The product of its digits is 42336, while the sum is 38.

The square root of 42277916 is about 6502.1470300202. The cubic root of 42277916 is about 348.3676807066.

The spelling of 42277916 in words is "forty-two million, two hundred seventy-seven thousand, nine hundred sixteen".