71265703 has 4 divisors (see below), whose sum is σ = 71809848. Its totient is φ = 70721560.

The previous prime is 71265697. The next prime is 71265743. The reversal of 71265703 is 30756217.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30756217 = 101 ⋅304517.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71265703 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71265743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271876 + ... + 272137.

It is an arithmetic number, because the mean of its divisors is an integer number (17952462).

Almost surely, 2^71265703 is an apocalyptic number.

71265703 is a deficient number, since it is larger than the sum of its proper divisors (544145).

71265703 is a wasteful number, since it uses less digits than its factorization.

71265703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544144.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 71265703 is about 8441.9016222650. The cubic root of 71265703 is about 414.5976707571.

The spelling of 71265703 in words is "seventy-one million, two hundred sixty-five thousand, seven hundred three".