42066572 has 24 divisors (see below), whose sum is σ = 74911200. Its totient is φ = 20666880.

The previous prime is 42066569. The next prime is 42066581. The reversal of 42066572 is 27566024.

42066572 = T₃₃ + T₃₄ + ... + T₆₃₁.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69929 + ... + 70527.

It is an arithmetic number, because the mean of its divisors is an integer number (3121300).

Almost surely, 2^42066572 is an apocalyptic number.

It is an amenable number.

42066572 is a deficient number, since it is larger than the sum of its proper divisors (32844628).

42066572 is a wasteful number, since it uses less digits than its factorization.

42066572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881 (or 879 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 42066572 is about 6485.8748060690. The cubic root of 42066572 is about 347.7862231316.

The spelling of 42066572 in words is "forty-two million, sixty-six thousand, five hundred seventy-two".