71367131 has 6 divisors (see below), whose sum is σ = 78444996. Its totient is φ = 64879100.

The previous prime is 71367119. The next prime is 71367151. The reversal of 71367131 is 13176317.

It is not a de Polignac number, because 71367131 - 2¹⁰ = 71366107 is a prime.

It is a super-2 number, since 2×71367131² = 10186534774342322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71367094 and 71367103.

It is not an unprimeable number, because it can be changed into a prime (71367151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 294785 + ... + 295026.

It is an arithmetic number, because the mean of its divisors is an integer number (13074166).

Almost surely, 2^71367131 is an apocalyptic number.

71367131 is a deficient number, since it is larger than the sum of its proper divisors (7077865).

71367131 is a wasteful number, since it uses less digits than its factorization.

71367131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589833 (or 589822 counting only the distinct ones).

The product of its digits is 2646, while the sum is 29.

The square root of 71367131 is about 8447.9069005287. The cubic root of 71367131 is about 414.7942677953.

The spelling of 71367131 in words is "seventy-one million, three hundred sixty-seven thousand, one hundred thirty-one".