71897703 has 8 divisors (see below), whose sum is σ = 96111600. Its totient is φ = 47807808.

The previous prime is 71897689. The next prime is 71897717. The reversal of 71897703 is 30779817.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (71897689) and next prime (71897717).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71897703 - 2⁸ = 71897447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71897753) by changing a digit.

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, 29638 + ... + 31971.

It is an arithmetic number, because the mean of its divisors is an integer number (12013950).

Almost surely, 2^71897703 is an apocalyptic number.

71897703 is a deficient number, since it is larger than the sum of its proper divisors (24213897).

71897703 is a wasteful number, since it uses less digits than its factorization.

71897703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62001.

The product of its (nonzero) digits is 74088, while the sum is 42.

The square root of 71897703 is about 8479.2513230827. The cubic root of 71897703 is about 415.8196468423.

The spelling of 71897703 in words is "seventy-one million, eight hundred ninety-seven thousand, seven hundred three".