42645367 has 16 divisors (see below), whose sum is σ = 49075200. Its totient is φ = 36789120.

The previous prime is 42645353. The next prime is 42645389. The reversal of 42645367 is 76354624.

It is a cyclic number.

It is not a de Polignac number, because 42645367 - 2¹⁵ = 42612599 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 (42645307) 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, 7884 + ... + 12142.

It is an arithmetic number, because the mean of its divisors is an integer number (3067200).

Almost surely, 2^42645367 is an apocalyptic number.

42645367 is a deficient number, since it is larger than the sum of its proper divisors (6429833).

42645367 is a wasteful number, since it uses less digits than its factorization.

42645367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4326.

The product of its digits is 120960, while the sum is 37.

The square root of 42645367 is about 6530.3420277961. The cubic root of 42645367 is about 349.3740294263.

The spelling of 42645367 in words is "forty-two million, six hundred forty-five thousand, three hundred sixty-seven".