71020266 has 8 divisors (see below), whose sum is σ = 142040544. Its totient is φ = 23673420.

The previous prime is 71020253. The next prime is 71020267. The reversal of 71020266 is 66202017.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

71020266 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (71020267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5918350 + ... + 5918361.

It is an arithmetic number, because the mean of its divisors is an integer number (17755068).

Almost surely, 2^71020266 is an apocalyptic number.

71020266 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

71020266 is a wasteful number, since it uses less digits than its factorization.

71020266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11836716.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 71020266 is about 8427.3522532288. The cubic root of 71020266 is about 414.1211692284.

The spelling of 71020266 in words is "seventy-one million, twenty thousand, two hundred sixty-six".