71513484 has 24 divisors (see below), whose sum is σ = 190702848. Its totient is φ = 20432400.

The previous prime is 71513459. The next prime is 71513503. The reversal of 71513484 is 48431517.

It is a super-2 number, since 2×71513484² = 10228356787636512, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 425592 + ... + 425759.

It is an arithmetic number, because the mean of its divisors is an integer number (7945952).

Almost surely, 2^71513484 is an apocalyptic number.

It is an amenable number.

71513484 is an abundant number, since it is smaller than the sum of its proper divisors (119189364).

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

71513484 is a wasteful number, since it uses less digits than its factorization.

71513484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851365 (or 851363 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 71513484 is about 8456.5645506908. The cubic root of 71513484 is about 415.0776145539.

The spelling of 71513484 in words is "seventy-one million, five hundred thirteen thousand, four hundred eighty-four".