71480084 has 12 divisors (see below), whose sum is σ = 134712564. Its totient is φ = 32990784.

The previous prime is 71480077. The next prime is 71480107. The reversal of 71480084 is 48008417.

It can be written as a sum of positive squares in 2 ways, for example, as 14899600 + 56580484 = 3860^2 + 7522^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 71480084.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 687257 + ... + 687360.

It is an arithmetic number, because the mean of its divisors is an integer number (11226047).

Almost surely, 2^71480084 is an apocalyptic number.

It is an amenable number.

71480084 is a deficient number, since it is larger than the sum of its proper divisors (63232480).

71480084 is a wasteful number, since it uses less digits than its factorization.

71480084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374634 (or 1374632 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 71480084 is about 8454.5895228568. The cubic root of 71480084 is about 415.0129845456.

The spelling of 71480084 in words is "seventy-one million, four hundred eighty thousand, eighty-four".