71774442755 has 16 divisors (see below), whose sum is σ = 88916899584. Its totient is φ = 55561559040.

The previous prime is 71774442739. The next prime is 71774442763. The reversal of 71774442755 is 55724447717.

It is not a de Polignac number, because 71774442755 - 2⁴ = 71774442739 is a prime.

It is a super-3 number, since 3×71774442755³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71774442697 and 71774442706.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2062379 + ... + 2096891.

It is an arithmetic number, because the mean of its divisors is an integer number (5557306224).

Almost surely, 2^71774442755 is an apocalyptic number.

71774442755 is a deficient number, since it is larger than the sum of its proper divisors (17142456829).

71774442755 is a wasteful number, since it uses less digits than its factorization.

71774442755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47966.

The product of its digits is 7683200, while the sum is 53.

The spelling of 71774442755 in words is "seventy-one billion, seven hundred seventy-four million, four hundred forty-two thousand, seven hundred fifty-five".