71136274749 has 8 divisors (see below), whose sum is σ = 94855732800. Its totient is φ = 47420499936.

The previous prime is 71136274723. The next prime is 71136274793. The reversal of 71136274749 is 94747263117.

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

It is not a de Polignac number, because 71136274749 - 2⁷ = 71136274621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71136274549) 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, 875424 + ... + 953225.

It is an arithmetic number, because the mean of its divisors is an integer number (11856966600).

Almost surely, 2^71136274749 is an apocalyptic number.

It is an amenable number.

71136274749 is a deficient number, since it is larger than the sum of its proper divisors (23719458051).

71136274749 is a wasteful number, since it uses less digits than its factorization.

71136274749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841619.

The product of its digits is 1778112, while the sum is 51.

The spelling of 71136274749 in words is "seventy-one billion, one hundred thirty-six million, two hundred seventy-four thousand, seven hundred forty-nine".