71130667 has 4 divisors (see below), whose sum is σ = 71821360. Its totient is φ = 70439976.

The previous prime is 71130551. The next prime is 71130671. The reversal of 71130667 is 76603117.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71130667 - 2²³ = 62742059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71130767) 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, 345192 + ... + 345397.

It is an arithmetic number, because the mean of its divisors is an integer number (17955340).

Almost surely, 2^71130667 is an apocalyptic number.

71130667 is a deficient number, since it is larger than the sum of its proper divisors (690693).

71130667 is a wasteful number, since it uses less digits than its factorization.

71130667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690692.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 71130667 is about 8433.8998689811. The cubic root of 71130667 is about 414.3356419132.

The spelling of 71130667 in words is "seventy-one million, one hundred thirty thousand, six hundred sixty-seven".