71533701375 has 32 divisors (see below), whose sum is σ = 119179719360. Its totient is φ = 38103987200.

The previous prime is 71533701313. The next prime is 71533701431. The reversal of 71533701375 is 57310733517.

It is a happy number.

It is not a de Polignac number, because 71533701375 - 2⁸ = 71533701119 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 185479 + ... + 421271.

It is an arithmetic number, because the mean of its divisors is an integer number (3724366230).

Almost surely, 2^71533701375 is an apocalyptic number.

71533701375 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

71533701375 is a deficient number, since it is larger than the sum of its proper divisors (47646017985).

71533701375 is a wasteful number, since it uses less digits than its factorization.

71533701375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236620 (or 236610 counting only the distinct ones).

The product of its (nonzero) digits is 231525, while the sum is 42.

The spelling of 71533701375 in words is "seventy-one billion, five hundred thirty-three million, seven hundred one thousand, three hundred seventy-five".