42642267 has 32 divisors (see below), whose sum is σ = 61716480. Its totient is φ = 26127360.

The previous prime is 42642247. The next prime is 42642269. The reversal of 42642267 is 76224624.

It is not a de Polignac number, because 42642267 - 2⁸ = 42642011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42642269) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261528 + ... + 261690.

It is an arithmetic number, because the mean of its divisors is an integer number (1928640).

Almost surely, 2^42642267 is an apocalyptic number.

42642267 is a deficient number, since it is larger than the sum of its proper divisors (19074213).

42642267 is a wasteful number, since it uses less digits than its factorization.

42642267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323.

The product of its digits is 32256, while the sum is 33.

The square root of 42642267 is about 6530.1046699115. The cubic root of 42642267 is about 349.3655635927.

The spelling of 42642267 in words is "forty-two million, six hundred forty-two thousand, two hundred sixty-seven".