71676066 has 64 divisors (see below), whose sum is σ = 179988480. Its totient is φ = 18485760.

The previous prime is 71676049. The next prime is 71676079. The reversal of 71676066 is 66067617.

71676066 is nontrivially palindromic in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76690 + ... + 77618.

It is an arithmetic number, because the mean of its divisors is an integer number (2812320).

Almost surely, 2^71676066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71676066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89994240).

71676066 is an abundant number, since it is smaller than the sum of its proper divisors (108312414).

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

71676066 is a wasteful number, since it uses less digits than its factorization.

71676066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119.

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 71676066 is about 8466.1718621819. The cubic root of 71676066 is about 415.3919285776.

The spelling of 71676066 in words is "seventy-one million, six hundred seventy-six thousand, sixty-six".