71404313 has 4 divisors (see below), whose sum is σ = 71620368. Its totient is φ = 71188260.

The previous prime is 71404283. The next prime is 71404349. The reversal of 71404313 is 31340417.

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 71404313 - 2⁸ = 71404057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71404363) 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, 107531 + ... + 108192.

It is an arithmetic number, because the mean of its divisors is an integer number (17905092).

Almost surely, 2^71404313 is an apocalyptic number.

It is an amenable number.

71404313 is a deficient number, since it is larger than the sum of its proper divisors (216055).

71404313 is a wasteful number, since it uses less digits than its factorization.

71404313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216054.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 71404313 is about 8450.1072774255. The cubic root of 71404313 is about 414.8662906935.

It can be divided in two parts, 71404 and 313, that added together give a palindrome (71717).

The spelling of 71404313 in words is "seventy-one million, four hundred four thousand, three hundred thirteen".