71906880 has 56 divisors (see below), whose sum is σ = 228307392. Its totient is φ = 19174912.

The previous prime is 71906839. The next prime is 71906881. The reversal of 71906880 is 8860917.

It is not an unprimeable number, because it can be changed into a prime (71906881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36492 + ... + 38411.

Almost surely, 2^71906880 is an apocalyptic number.

It is an amenable number.

71906880 is an abundant number, since it is smaller than the sum of its proper divisors (156400512).

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

71906880 is a wasteful number, since it uses less digits than its factorization.

71906880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74923 (or 74913 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 71906880 is about 8479.7924502903. The cubic root of 71906880 is about 415.8373377856.

The spelling of 71906880 in words is "seventy-one million, nine hundred six thousand, eight hundred eighty".