42667264 has 18 divisors (see below), whose sum is σ = 85168370. Its totient is φ = 21333504.

The previous prime is 42667241. The next prime is 42667267. The reversal of 42667264 is 46276624.

It can be written as a sum of positive squares in only one way, i.e., 38340864 + 4326400 = 6192^2 + 2080^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42667267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83079 + ... + 83590.

Almost surely, 2^42667264 is an apocalyptic number.

It is an amenable number.

42667264 is a deficient number, since it is larger than the sum of its proper divisors (42501106).

42667264 is an equidigital number, since it uses as much as digits as its factorization.

42667264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166685 (or 166671 counting only the distinct ones).

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

The square root of 42667264 is about 6532.0183710703. The cubic root of 42667264 is about 349.4338165704.

The spelling of 42667264 in words is "forty-two million, six hundred sixty-seven thousand, two hundred sixty-four".