71122769 has 8 divisors (see below), whose sum is σ = 73182528. Its totient is φ = 69070320.

The previous prime is 71122763. The next prime is 71122771. The reversal of 71122769 is 96722117.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71122769 - 2²⁴ = 54345553 is a prime.

It is a super-2 number, since 2×71122769² = 10116896540454722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71122763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22454 + ... + 25424.

It is an arithmetic number, because the mean of its divisors is an integer number (9147816).

Almost surely, 2^71122769 is an apocalyptic number.

It is an amenable number.

71122769 is a deficient number, since it is larger than the sum of its proper divisors (2059759).

71122769 is a wasteful number, since it uses less digits than its factorization.

71122769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3655.

The product of its digits is 10584, while the sum is 35.

The square root of 71122769 is about 8433.4316265682. The cubic root of 71122769 is about 414.3203060805.

The spelling of 71122769 in words is "seventy-one million, one hundred twenty-two thousand, seven hundred sixty-nine".