71297671 has 8 divisors (see below), whose sum is σ = 75196080. Its totient is φ = 67413888.

The previous prime is 71297657. The next prime is 71297693. The reversal of 71297671 is 17679217.

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

It is a cyclic number.

It is not a de Polignac number, because 71297671 - 2¹³ = 71289479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71297641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7215 + ... + 13951.

It is an arithmetic number, because the mean of its divisors is an integer number (9399510).

Almost surely, 2^71297671 is an apocalyptic number.

71297671 is a deficient number, since it is larger than the sum of its proper divisors (3898409).

71297671 is a wasteful number, since it uses less digits than its factorization.

71297671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7313.

The product of its digits is 37044, while the sum is 40.

The square root of 71297671 is about 8443.7948222348. The cubic root of 71297671 is about 414.6596541820.

The spelling of 71297671 in words is "seventy-one million, two hundred ninety-seven thousand, six hundred seventy-one".