71988701 has 8 divisors (see below), whose sum is σ = 78391200. Its totient is φ = 65847600.

The previous prime is 71988677. The next prime is 71988703. The reversal of 71988701 is 10788917.

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 71988701 - 2²⁶ = 4879837 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 (71988703) 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, 64775 + ... + 65876.

It is an arithmetic number, because the mean of its divisors is an integer number (9798900).

Almost surely, 2^71988701 is an apocalyptic number.

It is an amenable number.

71988701 is a deficient number, since it is larger than the sum of its proper divisors (6402499).

71988701 is a wasteful number, since it uses less digits than its factorization.

71988701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130699.

The product of its (nonzero) digits is 28224, while the sum is 41.

The square root of 71988701 is about 8484.6155481554. The cubic root of 71988701 is about 415.9950015579.

The spelling of 71988701 in words is "seventy-one million, nine hundred eighty-eight thousand, seven hundred one".