71320701 has 4 divisors (see below), whose sum is σ = 95094272. Its totient is φ = 47547132.

The previous prime is 71320681. The next prime is 71320709. The reversal of 71320701 is 10702317.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10702317 = 3 ⋅3567439.

It is not a de Polignac number, because 71320701 - 2⁶ = 71320637 is a prime.

It is a super-2 number, since 2×71320701² = 10173284782262802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71320709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11886781 + ... + 11886786.

It is an arithmetic number, because the mean of its divisors is an integer number (23773568).

Almost surely, 2^71320701 is an apocalyptic number.

It is an amenable number.

71320701 is a deficient number, since it is larger than the sum of its proper divisors (23773571).

71320701 is a wasteful number, since it uses less digits than its factorization.

71320701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23773570.

The product of its (nonzero) digits is 294, while the sum is 21.

The square root of 71320701 is about 8445.1584354587. The cubic root of 71320701 is about 414.7042960508.

The spelling of 71320701 in words is "seventy-one million, three hundred twenty thousand, seven hundred one".