71331014 has 32 divisors (see below), whose sum is σ = 116284896. Its totient is φ = 32693760.

The previous prime is 71331011. The next prime is 71331037. The reversal of 71331014 is 41013317.

It is a happy number.

It is a super-2 number, since 2×71331014² = 10176227116536392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71331011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 394004 + ... + 394184.

It is an arithmetic number, because the mean of its divisors is an integer number (3633903).

Almost surely, 2^71331014 is an apocalyptic number.

71331014 is a deficient number, since it is larger than the sum of its proper divisors (44953882).

71331014 is a wasteful number, since it uses less digits than its factorization.

71331014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 71331014 is about 8445.7689999194. The cubic root of 71331014 is about 414.7242838861.

The spelling of 71331014 in words is "seventy-one million, three hundred thirty-one thousand, fourteen".