71098480 has 40 divisors (see below), whose sum is σ = 165775104. Its totient is φ = 28358400.

The previous prime is 71098453. The next prime is 71098483. The reversal of 71098480 is 8489017.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71098483) 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, 32625 + ... + 34735.

Almost surely, 2^71098480 is an apocalyptic number.

It is an amenable number.

71098480 is an abundant number, since it is smaller than the sum of its proper divisors (94676624).

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

71098480 is a wasteful number, since it uses less digits than its factorization.

71098480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2545 (or 2539 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 71098480 is about 8431.9914610962. The cubic root of 71098480 is about 414.2731361336.

The spelling of 71098480 in words is "seventy-one million, ninety-eight thousand, four hundred eighty".