42647067 has 20 divisors (see below), whose sum is σ = 67457016. Its totient is φ = 26758080.

The previous prime is 42647063. The next prime is 42647069. The reversal of 42647067 is 76074624.

42647067 is a `hidden beast` number, since 4 + 2 + 647 + 0 + 6 + 7 = 666.

It is not a de Polignac number, because 42647067 - 2² = 42647063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42647063) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14109 + ... + 16862.

Almost surely, 2^42647067 is an apocalyptic number.

42647067 is a deficient number, since it is larger than the sum of its proper divisors (24809949).

42647067 is a wasteful number, since it uses less digits than its factorization.

42647067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31000 (or 30991 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 42647067 is about 6530.4721881346. The cubic root of 42647067 is about 349.3786718060.

The spelling of 42647067 in words is "forty-two million, six hundred forty-seven thousand, sixty-seven".