42752722 has 24 divisors (see below), whose sum is σ = 71011836. Its totient is φ = 19236096.

The previous prime is 42752713. The next prime is 42752741. The reversal of 42752722 is 22725724.

It can be written as a sum of positive squares in 2 ways, for example, as 42367081 + 385641 = 6509^2 + 621^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16798 + ... + 19174.

Almost surely, 2^42752722 is an apocalyptic number.

42752722 is a deficient number, since it is larger than the sum of its proper divisors (28259114).

42752722 is a wasteful number, since it uses less digits than its factorization.

42752722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442 (or 2419 counting only the distinct ones).

The product of its digits is 15680, while the sum is 31.

The square root of 42752722 is about 6538.5565685402. The cubic root of 42752722 is about 349.6669539354. Note that the first 3 decimals are identical.

The spelling of 42752722 in words is "forty-two million, seven hundred fifty-two thousand, seven hundred twenty-two".