71687703375 has 48 divisors (see below), whose sum is σ = 134015350560. Its totient is φ = 38233425600.

The previous prime is 71687703331. The next prime is 71687703379. The reversal of 71687703375 is 57330778617.

It is not a de Polignac number, because 71687703375 - 2¹⁹ = 71687179087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71687703379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1149670 + ... + 1210419.

It is an arithmetic number, because the mean of its divisors is an integer number (2791986470).

Almost surely, 2^71687703375 is an apocalyptic number.

71687703375 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

71687703375 is a deficient number, since it is larger than the sum of its proper divisors (62327647185).

71687703375 is an equidigital number, since it uses as much as digits as its factorization.

71687703375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2360119 (or 2360097 counting only the distinct ones).

The product of its (nonzero) digits is 5186160, while the sum is 54.

The spelling of 71687703375 in words is "seventy-one billion, six hundred eighty-seven million, seven hundred three thousand, three hundred seventy-five".