67006734 has 16 divisors (see below), whose sum is σ = 136542672. Its totient is φ = 21914048.

The previous prime is 67006729. The next prime is 67006739. The reversal of 67006734 is 43760076.

It is an interprime number because it is at equal distance from previous prime (67006729) and next prime (67006739).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 67006695 and 67006704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67006739) 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, 105039 + ... + 105674.

It is an arithmetic number, because the mean of its divisors is an integer number (8533917).

Almost surely, 2^67006734 is an apocalyptic number.

67006734 is an abundant number, since it is smaller than the sum of its proper divisors (69535938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67006734 is a wasteful number, since it uses less digits than its factorization.

67006734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210771.

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 67006734 is about 8185.7641060563. The cubic root of 67006734 is about 406.1684167852.

The spelling of 67006734 in words is "sixty-seven million, six thousand, seven hundred thirty-four".