71967087297 has 12 divisors (see below), whose sum is σ = 118802810880. Its totient is φ = 41124049848.

The previous prime is 71967087259. The next prime is 71967087301. The reversal of 71967087297 is 79278076917.

It is not a de Polignac number, because 71967087297 - 2³⁰ = 70893345473 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 1142334719 = 71967087297 / (7 + 1 + 9 + 6 + 7 + 0 + 8 + 7 + 2 + 9 + 7).

It is not an unprimeable number, because it can be changed into a prime (71967087397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 571167297 + ... + 571167422.

It is an arithmetic number, because the mean of its divisors is an integer number (9900234240).

Almost surely, 2^71967087297 is an apocalyptic number.

It is an amenable number.

71967087297 is a deficient number, since it is larger than the sum of its proper divisors (46835723583).

71967087297 is a wasteful number, since it uses less digits than its factorization.

71967087297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142334732 (or 1142334729 counting only the distinct ones).

The product of its (nonzero) digits is 18670176, while the sum is 63.

The spelling of 71967087297 in words is "seventy-one billion, nine hundred sixty-seven million, eighty-seven thousand, two hundred ninety-seven".