66317034 has 64 divisors (see below), whose sum is σ = 161554176. Its totient is φ = 17716224.

The previous prime is 66317033. The next prime is 66317059. The reversal of 66317034 is 43071366.

It is a junction number, because it is equal to n+sod(n) for n = 66316992 and 66317010.

It is not an unprimeable number, because it can be changed into a prime (66317033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209044 + ... + 209360.

It is an arithmetic number, because the mean of its divisors is an integer number (2524284).

Almost surely, 2^66317034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66317034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80777088).

66317034 is an abundant number, since it is smaller than the sum of its proper divisors (95237142).

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

66317034 is a wasteful number, since it uses less digits than its factorization.

66317034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 66317034 is about 8143.5271228136. The cubic root of 66317034 is about 404.7700447364.

The spelling of 66317034 in words is "sixty-six million, three hundred seventeen thousand, thirty-four".