71297316994 has 8 divisors (see below), whose sum is σ = 106948053648. Its totient is φ = 35647965780.

The previous prime is 71297316989. The next prime is 71297316997. The reversal of 71297316994 is 49961379217.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (71297316997) 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, 206392 + ... + 430339.

It is an arithmetic number, because the mean of its divisors is an integer number (13368506706).

Almost surely, 2^71297316994 is an apocalyptic number.

71297316994 is a deficient number, since it is larger than the sum of its proper divisors (35650736654).

71297316994 is a wasteful number, since it uses less digits than its factorization.

71297316994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692720.

The product of its digits is 5143824, while the sum is 58.

The spelling of 71297316994 in words is "seventy-one billion, two hundred ninety-seven million, three hundred sixteen thousand, nine hundred ninety-four".