71817000382 has 4 divisors (see below), whose sum is σ = 107725500576. Its totient is φ = 35908500190.

The previous prime is 71817000341. The next prime is 71817000383. The reversal of 71817000382 is 28300071817.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71817000383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17954250094 + ... + 17954250097.

It is an arithmetic number, because the mean of its divisors is an integer number (26931375144).

Almost surely, 2^71817000382 is an apocalyptic number.

71817000382 is a deficient number, since it is larger than the sum of its proper divisors (35908500194).

71817000382 is a wasteful number, since it uses less digits than its factorization.

71817000382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35908500193.

The product of its (nonzero) digits is 18816, while the sum is 37.

The spelling of 71817000382 in words is "seventy-one billion, eight hundred seventeen million, three hundred eighty-two", and thus it is an aban number.