42722576 has 20 divisors (see below), whose sum is σ = 89142732. Its totient is φ = 19718016.

The previous prime is 42722573. The next prime is 42722587. The reversal of 42722576 is 67522724.

It can be written as a sum of positive squares in 2 ways, for example, as 4579600 + 38142976 = 2140^2 + 6176^2 .

It is not an unprimeable number, because it can be changed into a prime (42722573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102491 + ... + 102906.

Almost surely, 2^42722576 is an apocalyptic number.

It is an amenable number.

42722576 is an abundant number, since it is smaller than the sum of its proper divisors (46420156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42722576 is a wasteful number, since it uses less digits than its factorization.

42722576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205418 (or 205412 counting only the distinct ones).

The product of its digits is 47040, while the sum is 35.

The square root of 42722576 is about 6536.2509131765. The cubic root of 42722576 is about 349.5847483428.

The spelling of 42722576 in words is "forty-two million, seven hundred twenty-two thousand, five hundred seventy-six".