71296810742 has 4 divisors (see below), whose sum is σ = 106945216116. Its totient is φ = 35648405370.

The previous prime is 71296810727. The next prime is 71296810801. The reversal of 71296810742 is 24701869217.

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

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 as a sum of consecutive naturals, namely, 17824202684 + ... + 17824202687.

It is an arithmetic number, because the mean of its divisors is an integer number (26736304029).

Almost surely, 2^71296810742 is an apocalyptic number.

71296810742 is a deficient number, since it is larger than the sum of its proper divisors (35648405374).

71296810742 is a wasteful number, since it uses less digits than its factorization.

71296810742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35648405373.

The product of its (nonzero) digits is 338688, while the sum is 47.

The spelling of 71296810742 in words is "seventy-one billion, two hundred ninety-six million, eight hundred ten thousand, seven hundred forty-two".