67442133 has 48 divisors (see below), whose sum is σ = 104186880. Its totient is φ = 38739360.

The previous prime is 67442107. The next prime is 67442159. The reversal of 67442133 is 33124476.

It is an interprime number because it is at equal distance from previous prime (67442107) and next prime (67442159).

It is not a de Polignac number, because 67442133 - 2⁵ = 67442101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67442133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67442173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1006566 + ... + 1006632.

It is an arithmetic number, because the mean of its divisors is an integer number (2170560).

Almost surely, 2^67442133 is an apocalyptic number.

It is an amenable number.

67442133 is a deficient number, since it is larger than the sum of its proper divisors (36744747).

67442133 is a wasteful number, since it uses less digits than its factorization.

67442133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 187 counting only the distinct ones).

The product of its digits is 12096, while the sum is 30.

The square root of 67442133 is about 8212.3159340103. The cubic root of 67442133 is about 407.0462572212.

The spelling of 67442133 in words is "sixty-seven million, four hundred forty-two thousand, one hundred thirty-three".