71833517378 has 64 divisors (see below), whose sum is σ = 129432606720. Its totient is φ = 29253312000.

The previous prime is 71833517377. The next prime is 71833517381. The reversal of 71833517378 is 87371533817.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (71833517377) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7250228 + ... + 7260128.

It is an arithmetic number, because the mean of its divisors is an integer number (2022384480).

Almost surely, 2^71833517378 is an apocalyptic number.

71833517378 is a deficient number, since it is larger than the sum of its proper divisors (57599089342).

71833517378 is a wasteful number, since it uses less digits than its factorization.

71833517378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10243.

The product of its digits is 2963520, while the sum is 53.

The spelling of 71833517378 in words is "seventy-one billion, eight hundred thirty-three million, five hundred seventeen thousand, three hundred seventy-eight".