71480090 has 64 divisors (see below), whose sum is σ = 154275840. Its totient is φ = 23538240.

The previous prime is 71480077. The next prime is 71480107. The reversal of 71480090 is 9008417.

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 31 ways as a sum of consecutive naturals, for example, 47327 + ... + 48813.

It is an arithmetic number, because the mean of its divisors is an integer number (2410560).

Almost surely, 2^71480090 is an apocalyptic number.

71480090 is an abundant number, since it is smaller than the sum of its proper divisors (82795750).

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

71480090 is a wasteful number, since it uses less digits than its factorization.

71480090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 71480090 is about 8454.5898776937. The cubic root of 71480090 is about 415.0129961576.

The spelling of 71480090 in words is "seventy-one million, four hundred eighty thousand, ninety".