42267664 has 20 divisors (see below), whose sum is σ = 83637504. Its totient is φ = 20683808.

The previous prime is 42267637. The next prime is 42267671. The reversal of 42267664 is 46676224.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27352 + ... + 28855.

Almost surely, 2^42267664 is an apocalyptic number.

It is an amenable number.

42267664 is a deficient number, since it is larger than the sum of its proper divisors (41369840).

42267664 is a wasteful number, since it uses less digits than its factorization.

42267664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56262 (or 56256 counting only the distinct ones).

The product of its digits is 96768, while the sum is 37.

The square root of 42267664 is about 6501.3586272409. The cubic root of 42267664 is about 348.3395197933.

It can be divided in two parts, 422676 and 64, that added together give a triangular number (422740 = T₉₁₉).

The spelling of 42267664 in words is "forty-two million, two hundred sixty-seven thousand, six hundred sixty-four".