71295020 has 12 divisors (see below), whose sum is σ = 149719584. Its totient is φ = 28518000.

The previous prime is 71295013. The next prime is 71295043. The reversal of 71295020 is 2059217.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1782356 + ... + 1782395.

It is an arithmetic number, because the mean of its divisors is an integer number (12476632).

Almost surely, 2^71295020 is an apocalyptic number.

It is an amenable number.

71295020 is an abundant number, since it is smaller than the sum of its proper divisors (78424564).

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

71295020 is a wasteful number, since it uses less digits than its factorization.

71295020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3564760 (or 3564758 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 71295020 is about 8443.6378415941. The cubic root of 71295020 is about 414.6545148072.

The spelling of 71295020 in words is "seventy-one million, two hundred ninety-five thousand, twenty".