42774748 has 24 divisors (see below), whose sum is σ = 76204800. Its totient is φ = 21005808.

The previous prime is 42774727. The next prime is 42774773. The reversal of 42774748 is 84747724.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59133 + ... + 59851.

It is an arithmetic number, because the mean of its divisors is an integer number (3175200).

Almost surely, 2^42774748 is an apocalyptic number.

It is an amenable number.

42774748 is a deficient number, since it is larger than the sum of its proper divisors (33430052).

42774748 is a wasteful number, since it uses less digits than its factorization.

42774748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969 (or 967 counting only the distinct ones).

The product of its digits is 351232, while the sum is 43.

The square root of 42774748 is about 6540.2406683546. The cubic root of 42774748 is about 349.7269925459.

It can be divided in two parts, 4277 and 4748, that added together give a square (9025 = 95²).

The spelling of 42774748 in words is "forty-two million, seven hundred seventy-four thousand, seven hundred forty-eight".