71346381 has 4 divisors (see below), whose sum is σ = 95128512. Its totient is φ = 47564252.

The previous prime is 71346367. The next prime is 71346403. The reversal of 71346381 is 18364317.

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.

It is a cyclic number.

It is not a de Polignac number, because 71346381 - 2¹⁹ = 70822093 is a prime.

It is a super-2 number, since 2×71346381² = 10180612163594322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71346361) 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, 11891061 + ... + 11891066.

It is an arithmetic number, because the mean of its divisors is an integer number (23782128).

Almost surely, 2^71346381 is an apocalyptic number.

It is an amenable number.

71346381 is a deficient number, since it is larger than the sum of its proper divisors (23782131).

71346381 is a wasteful number, since it uses less digits than its factorization.

71346381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23782130.

The product of its digits is 12096, while the sum is 33.

The square root of 71346381 is about 8446.6786963871. The cubic root of 71346381 is about 414.7540634079.

The spelling of 71346381 in words is "seventy-one million, three hundred forty-six thousand, three hundred eighty-one".