71329120 has 24 divisors (see below), whose sum is σ = 168515424. Its totient is φ = 28531584.

The previous prime is 71329087. The next prime is 71329199. The reversal of 71329120 is 2192317.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222744 + ... + 223063.

It is an arithmetic number, because the mean of its divisors is an integer number (7021476).

Almost surely, 2^71329120 is an apocalyptic number.

It is an amenable number.

71329120 is an abundant number, since it is smaller than the sum of its proper divisors (97186304).

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

71329120 is a wasteful number, since it uses less digits than its factorization.

71329120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445822 (or 445814 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 71329120 is about 8445.6568720260. The cubic root of 71329120 is about 414.7206132305.

The spelling of 71329120 in words is "seventy-one million, three hundred twenty-nine thousand, one hundred twenty".