71081346 has 16 divisors (see below), whose sum is σ = 162471744. Its totient is φ = 20308944.

The previous prime is 71081333. The next prime is 71081347. The reversal of 71081346 is 64318017.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (71081347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 846165 + ... + 846248.

It is an arithmetic number, because the mean of its divisors is an integer number (10154484).

Almost surely, 2^71081346 is an apocalyptic number.

71081346 is an abundant number, since it is smaller than the sum of its proper divisors (91390398).

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

71081346 is a wasteful number, since it uses less digits than its factorization.

71081346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692425.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 71081346 is about 8430.9753884115. The cubic root of 71081346 is about 414.2398549430.

The spelling of 71081346 in words is "seventy-one million, eighty-one thousand, three hundred forty-six".