42912567 has 6 divisors (see below), whose sum is σ = 61984832. Its totient is φ = 28608372.

The previous prime is 42912557. The next prime is 42912589. The reversal of 42912567 is 76521924.

42912567 is a `hidden beast` number, since 4 + 2 + 91 + 2 + 567 = 666.

It is not a de Polignac number, because 42912567 - 2¹⁸ = 42650423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42912517) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2384023 + ... + 2384040.

Almost surely, 2^42912567 is an apocalyptic number.

42912567 is a deficient number, since it is larger than the sum of its proper divisors (19072265).

42912567 is a wasteful number, since it uses less digits than its factorization.

42912567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4768069 (or 4768066 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 42912567 is about 6550.7684282075. The cubic root of 42912567 is about 350.1021932879.

It can be divided in two parts, 429 and 12567, that added together give a square (12996 = 114²).

The spelling of 42912567 in words is "forty-two million, nine hundred twelve thousand, five hundred sixty-seven".