66147034 has 32 divisors (see below), whose sum is σ = 110388096. Its totient is φ = 29568000.

The previous prime is 66147031. The next prime is 66147043. The reversal of 66147034 is 43074166.

It is a junction number, because it is equal to n+sod(n) for n = 66146987 and 66147005.

It is not an unprimeable number, because it can be changed into a prime (66147031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196114 + ... + 196450.

It is an arithmetic number, because the mean of its divisors is an integer number (3449628).

Almost surely, 2^66147034 is an apocalyptic number.

66147034 is a deficient number, since it is larger than the sum of its proper divisors (44241062).

66147034 is a wasteful number, since it uses less digits than its factorization.

66147034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 66147034 is about 8133.0826873947. The cubic root of 66147034 is about 404.4238803351.

The spelling of 66147034 in words is "sixty-six million, one hundred forty-seven thousand, thirty-four".