71298480 has 160 divisors (see below), whose sum is σ = 244270080. Its totient is φ = 17059840.

The previous prime is 71298473. The next prime is 71298497. The reversal of 71298480 is 8489217.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 298201 + ... + 298439.

It is an arithmetic number, because the mean of its divisors is an integer number (1526688).

Almost surely, 2^71298480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71298480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122135040).

71298480 is an abundant number, since it is smaller than the sum of its proper divisors (172971600).

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

71298480 is a wasteful number, since it uses less digits than its factorization.

71298480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 71298480 is about 8443.8427271000. The cubic root of 71298480 is about 414.6612225287.

The spelling of 71298480 in words is "seventy-one million, two hundred ninety-eight thousand, four hundred eighty".