42564467 has 16 divisors (see below), whose sum is σ = 49773312. Its totient is φ = 36004320.

The previous prime is 42564463. The next prime is 42564479. The reversal of 42564467 is 76446524.

It is not a de Polignac number, because 42564467 - 2² = 42564463 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42564467.

It is not an unprimeable number, because it can be changed into a prime (42564463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7088 + ... + 11634.

It is an arithmetic number, because the mean of its divisors is an integer number (3110832).

Almost surely, 2^42564467 is an apocalyptic number.

42564467 is a deficient number, since it is larger than the sum of its proper divisors (7208845).

42564467 is a wasteful number, since it uses less digits than its factorization.

42564467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4618.

The product of its digits is 161280, while the sum is 38.

The square root of 42564467 is about 6524.1449248158. The cubic root of 42564467 is about 349.1529639842.

The spelling of 42564467 in words is "forty-two million, five hundred sixty-four thousand, four hundred sixty-seven".