71207960 has 32 divisors (see below), whose sum is σ = 160833600. Its totient is φ = 28373760.

The previous prime is 71207933. The next prime is 71207989. The reversal of 71207960 is 6970217.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7556 + ... + 14124.

It is an arithmetic number, because the mean of its divisors is an integer number (5026050).

Almost surely, 2^71207960 is an apocalyptic number.

It is an amenable number.

71207960 is an abundant number, since it is smaller than the sum of its proper divisors (89625640).

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

71207960 is a wasteful number, since it uses less digits than its factorization.

71207960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6851 (or 6847 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 71207960 is about 8438.4809059451. The cubic root of 71207960 is about 414.4856646493.

The spelling of 71207960 in words is "seventy-one million, two hundred seven thousand, nine hundred sixty".