71066996 has 48 divisors (see below), whose sum is σ = 166992000. Its totient is φ = 25557120.

The previous prime is 71066993. The next prime is 71066999. The reversal of 71066996 is 69966017.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (71066993) and next prime (71066999).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71066993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4871 + ... + 12878.

It is an arithmetic number, because the mean of its divisors is an integer number (3479000).

Almost surely, 2^71066996 is an apocalyptic number.

It is an amenable number.

71066996 is an abundant number, since it is smaller than the sum of its proper divisors (95925004).

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

71066996 is a wasteful number, since it uses less digits than its factorization.

71066996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17784 (or 17782 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 71066996 is about 8430.1243169956. The cubic root of 71066996 is about 414.2119772962.

The spelling of 71066996 in words is "seventy-one million, sixty-six thousand, nine hundred ninety-six".