42697572 has 24 divisors (see below), whose sum is σ = 100749600. Its totient is φ = 14072256.

The previous prime is 42697561. The next prime is 42697597. The reversal of 42697572 is 27579624.

It is a zygodrome in base 11.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18922 + ... + 21057.

It is an arithmetic number, because the mean of its divisors is an integer number (4197900).

Almost surely, 2^42697572 is an apocalyptic number.

It is an amenable number.

42697572 is an abundant number, since it is smaller than the sum of its proper divisors (58052028).

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

42697572 is a wasteful number, since it uses less digits than its factorization.

42697572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40075 (or 40073 counting only the distinct ones).

The product of its digits is 211680, while the sum is 42.

The square root of 42697572 is about 6534.3379159636. The cubic root of 42697572 is about 349.5165352051.

The spelling of 42697572 in words is "forty-two million, six hundred ninety-seven thousand, five hundred seventy-two".