71402227 has 8 divisors (see below), whose sum is σ = 81418176. Its totient is φ = 62032512.

The previous prime is 71402203. The next prime is 71402237. The reversal of 71402227 is 72220417.

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

It is a cyclic number.

It is not a de Polignac number, because 71402227 - 2⁷ = 71402099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71402237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161323 + ... + 161764.

It is an arithmetic number, because the mean of its divisors is an integer number (10177272).

Almost surely, 2^71402227 is an apocalyptic number.

71402227 is a deficient number, since it is larger than the sum of its proper divisors (10015949).

71402227 is a wasteful number, since it uses less digits than its factorization.

71402227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323117.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 71402227 is about 8449.9838461384. The cubic root of 71402227 is about 414.8622506971.

The spelling of 71402227 in words is "seventy-one million, four hundred two thousand, two hundred twenty-seven".