42012667 has 8 divisors (see below), whose sum is σ = 44663760. Its totient is φ = 39405600.

The previous prime is 42012653. The next prime is 42012671. The reversal of 42012667 is 76621024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42012667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42012637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9028 + ... + 12865.

It is an arithmetic number, because the mean of its divisors is an integer number (5582970).

Almost surely, 2^42012667 is an apocalyptic number.

42012667 is a deficient number, since it is larger than the sum of its proper divisors (2651093).

42012667 is a wasteful number, since it uses less digits than its factorization.

42012667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22013.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 42012667 is about 6481.7179050002. The cubic root of 42012667 is about 347.6376060789.

The spelling of 42012667 in words is "forty-two million, twelve thousand, six hundred sixty-seven".