71416651 has 4 divisors (see below), whose sum is σ = 71526672. Its totient is φ = 71306632.

The previous prime is 71416621. The next prime is 71416661. The reversal of 71416651 is 15661417.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71416651 - 2²⁵ = 37862219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71416601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54031 + ... + 55336.

It is an arithmetic number, because the mean of its divisors is an integer number (17881668).

Almost surely, 2^71416651 is an apocalyptic number.

71416651 is a deficient number, since it is larger than the sum of its proper divisors (110021).

71416651 is a wasteful number, since it uses less digits than its factorization.

71416651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110020.

The product of its digits is 5040, while the sum is 31.

The square root of 71416651 is about 8450.8372957950. The cubic root of 71416651 is about 414.8901843272.

The spelling of 71416651 in words is "seventy-one million, four hundred sixteen thousand, six hundred fifty-one".