71740009377 has 12 divisors (see below), whose sum is σ = 104319926100. Its totient is φ = 47505687648.

The previous prime is 71740009351. The next prime is 71740009379. The reversal of 71740009377 is 77390004717.

It can be written as a sum of positive squares in 2 ways, for example, as 23420935521 + 48319073856 = 153039^2 + 219816^2 .

It is not a de Polignac number, because 71740009377 - 2²³ = 71731620769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71740009379) 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, 26747358 + ... + 26750039.

It is an arithmetic number, because the mean of its divisors is an integer number (8693327175).

Almost surely, 2^71740009377 is an apocalyptic number.

It is an amenable number.

71740009377 is a deficient number, since it is larger than the sum of its proper divisors (32579916723).

71740009377 is a wasteful number, since it uses less digits than its factorization.

71740009377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53497552 (or 53497549 counting only the distinct ones).

The product of its (nonzero) digits is 259308, while the sum is 45.

The spelling of 71740009377 in words is "seventy-one billion, seven hundred forty million, nine thousand, three hundred seventy-seven".