71375020 has 96 divisors (see below), whose sum is σ = 167086080. Its totient is φ = 25505280.

The previous prime is 71375011. The next prime is 71375069. The reversal of 71375020 is 2057317.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 859899 + ... + 859981.

It is an arithmetic number, because the mean of its divisors is an integer number (1740480).

Almost surely, 2^71375020 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 71375020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83543040).

71375020 is an abundant number, since it is smaller than the sum of its proper divisors (95711060).

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

71375020 is a wasteful number, since it uses less digits than its factorization.

71375020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 71375020 is about 8448.3738080177. The cubic root of 71375020 is about 414.8095511682.

The spelling of 71375020 in words is "seventy-one million, three hundred seventy-five thousand, twenty".