42766572 has 12 divisors (see below), whose sum is σ = 99788696. Its totient is φ = 14255520.

The previous prime is 42766523. The next prime is 42766589. The reversal of 42766572 is 27566724.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 42766572.

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 3 ways as a sum of consecutive naturals, for example, 1781929 + ... + 1781952.

Almost surely, 2^42766572 is an apocalyptic number.

It is an amenable number.

42766572 is an abundant number, since it is smaller than the sum of its proper divisors (57022124).

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

42766572 is a wasteful number, since it uses less digits than its factorization.

42766572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3563888 (or 3563886 counting only the distinct ones).

The product of its digits is 141120, while the sum is 39.

The square root of 42766572 is about 6539.6155850325. The cubic root of 42766572 is about 349.7047087591.

The spelling of 42766572 in words is "forty-two million, seven hundred sixty-six thousand, five hundred seventy-two".