71140690379 has 4 divisors (see below), whose sum is σ = 77608025880. Its totient is φ = 64673354880.

The previous prime is 71140690343. The next prime is 71140690421. The reversal of 71140690379 is 97309604117.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71140690379 - 2²⁰ = 71139641803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71140690679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3233667734 + ... + 3233667755.

It is an arithmetic number, because the mean of its divisors is an integer number (19402006470).

Almost surely, 2^71140690379 is an apocalyptic number.

71140690379 is a deficient number, since it is larger than the sum of its proper divisors (6467335501).

71140690379 is a wasteful number, since it uses less digits than its factorization.

71140690379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6467335500.

The product of its (nonzero) digits is 285768, while the sum is 47.

The spelling of 71140690379 in words is "seventy-one billion, one hundred forty million, six hundred ninety thousand, three hundred seventy-nine".