42825736 has 16 divisors (see below), whose sum is σ = 80379900. Its totient is φ = 21391104.

The previous prime is 42825719. The next prime is 42825743. The reversal of 42825736 is 63752824.

It can be written as a sum of positive squares in 2 ways, for example, as 41602500 + 1223236 = 6450^2 + 1106^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42825695 and 42825704.

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, 8236 + ... + 12388.

Almost surely, 2^42825736 is an apocalyptic number.

It is an amenable number.

42825736 is a deficient number, since it is larger than the sum of its proper divisors (37554164).

42825736 is a wasteful number, since it uses less digits than its factorization.

42825736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5448 (or 5444 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 42825736 is about 6544.1375291172. The cubic root of 42825736 is about 349.8658969241.

The spelling of 42825736 in words is "forty-two million, eight hundred twenty-five thousand, seven hundred thirty-six".