71351480 has 64 divisors (see below), whose sum is σ = 166168800. Its totient is φ = 27555840.

The previous prime is 71351461. The next prime is 71351507. The reversal of 71351480 is 8415317.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 227804 + ... + 228116.

Almost surely, 2^71351480 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 71351480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83084400).

71351480 is an abundant number, since it is smaller than the sum of its proper divisors (94817320).

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

71351480 is a wasteful number, since it uses less digits than its factorization.

71351480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 71351480 is about 8446.9805256080. The cubic root of 71351480 is about 414.7639437530.

Adding to 71351480 its reverse (8415317), we get a palindrome (79766797).

The spelling of 71351480 in words is "seventy-one million, three hundred fifty-one thousand, four hundred eighty".