71084472 has 32 divisors (see below), whose sum is σ = 187065600. Its totient is φ = 22447584.

The previous prime is 71084471. The next prime is 71084509. The reversal of 71084472 is 27448017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71084471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77488 + ... + 78399.

It is an arithmetic number, because the mean of its divisors is an integer number (5845800).

Almost surely, 2^71084472 is an apocalyptic number.

It is an amenable number.

71084472 is an abundant number, since it is smaller than the sum of its proper divisors (115981128).

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

71084472 is a wasteful number, since it uses less digits than its factorization.

71084472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155915 (or 155911 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 71084472 is about 8431.1607741758. The cubic root of 71084472 is about 414.2459273042.

The spelling of 71084472 in words is "seventy-one million, eighty-four thousand, four hundred seventy-two".