71080074 has 96 divisors (see below), whose sum is σ = 177375744. Its totient is φ = 20401920.

The previous prime is 71080069. The next prime is 71080081. The reversal of 71080074 is 47008017.

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 47 ways as a sum of consecutive naturals, for example, 252814 + ... + 253094.

It is an arithmetic number, because the mean of its divisors is an integer number (1847664).

Almost surely, 2^71080074 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71080074, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88687872).

71080074 is an abundant number, since it is smaller than the sum of its proper divisors (106295670).

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

71080074 is a wasteful number, since it uses less digits than its factorization.

71080074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 71080074 is about 8430.8999519624. The cubic root of 71080074 is about 414.2373839889.

The spelling of 71080074 in words is "seventy-one million, eighty thousand, seventy-four".