71980759 has 8 divisors (see below), whose sum is σ = 76325040. Its totient is φ = 67692096.

The previous prime is 71980739. The next prime is 71980763. The reversal of 71980759 is 95708917.

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 71980759 - 2⁷ = 71980631 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 (71980709) 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, 11224 + ... + 16429.

It is an arithmetic number, because the mean of its divisors is an integer number (9540630).

Almost surely, 2^71980759 is an apocalyptic number.

71980759 is a deficient number, since it is larger than the sum of its proper divisors (4344281).

71980759 is a wasteful number, since it uses less digits than its factorization.

71980759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27809.

The product of its (nonzero) digits is 158760, while the sum is 46.

The square root of 71980759 is about 8484.1475116832. The cubic root of 71980759 is about 415.9797030747.

The spelling of 71980759 in words is "seventy-one million, nine hundred eighty thousand, seven hundred fifty-nine".