71325920 has 48 divisors (see below), whose sum is σ = 169047648. Its totient is φ = 28439040.

The previous prime is 71325913. The next prime is 71325941. The reversal of 71325920 is 2952317.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73277 + ... + 74243.

It is an arithmetic number, because the mean of its divisors is an integer number (3521826).

Almost surely, 2^71325920 is an apocalyptic number.

It is an amenable number.

71325920 is an abundant number, since it is smaller than the sum of its proper divisors (97721728).

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

71325920 is a wasteful number, since it uses less digits than its factorization.

71325920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443 (or 1435 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 71325920 is about 8445.4674234171. The cubic root of 71325920 is about 414.7144113417.

The spelling of 71325920 in words is "seventy-one million, three hundred twenty-five thousand, nine hundred twenty".