71466987 has 8 divisors (see below), whose sum is σ = 95345104. Its totient is φ = 47616768.

The previous prime is 71466971. The next prime is 71467001. The reversal of 71466987 is 78966417.

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

It is not a de Polignac number, because 71466987 - 2⁴ = 71466971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71466917) 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, 3 + ... + 11955.

It is an arithmetic number, because the mean of its divisors is an integer number (11918138).

Almost surely, 2^71466987 is an apocalyptic number.

71466987 is a deficient number, since it is larger than the sum of its proper divisors (23878117).

71466987 is a wasteful number, since it uses less digits than its factorization.

71466987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13949.

The product of its digits is 508032, while the sum is 48.

The square root of 71466987 is about 8453.8149376480. The cubic root of 71466987 is about 414.9876359601.

The spelling of 71466987 in words is "seventy-one million, four hundred sixty-six thousand, nine hundred eighty-seven".