71073667 has 12 divisors (see below), whose sum is σ = 83915400. Its totient is φ = 60008256.

The previous prime is 71073643. The next prime is 71073671. The reversal of 71073667 is 76637017.

It is not a de Polignac number, because 71073667 - 2¹¹ = 71071619 is a prime.

It is a super-2 number, since 2×71073667² = 10102932281653778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71073467) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7542 + ... + 14107.

It is an arithmetic number, because the mean of its divisors is an integer number (6992950).

Almost surely, 2^71073667 is an apocalyptic number.

71073667 is a deficient number, since it is larger than the sum of its proper divisors (12841733).

71073667 is a wasteful number, since it uses less digits than its factorization.

71073667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21730 (or 21723 counting only the distinct ones).

The product of its (nonzero) digits is 37044, while the sum is 37.

The square root of 71073667 is about 8430.5199721014. The cubic root of 71073667 is about 414.2249374690.

The spelling of 71073667 in words is "seventy-one million, seventy-three thousand, six hundred sixty-seven".