71092080 has 280 divisors, whose sum is σ = 263474208. Its totient is φ = 17791488.

The previous prime is 71092069. The next prime is 71092081. The reversal of 71092080 is 8029017.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71092081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1341334 + ... + 1341386.

Almost surely, 2^71092080 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 71092080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131737104).

71092080 is an abundant number, since it is smaller than the sum of its proper divisors (192382128).

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

71092080 is a wasteful number, since it uses less digits than its factorization.

71092080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 71092080 is about 8431.6119455298. The cubic root of 71092080 is about 414.2607053586.

The spelling of 71092080 in words is "seventy-one million, ninety-two thousand, eighty".