71474666747 has 4 divisors (see below), whose sum is σ = 77972363736. Its totient is φ = 64976969760.

The previous prime is 71474666689. The next prime is 71474666827. The reversal of 71474666747 is 74766647417.

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 71474666747 - 2¹⁰ = 71474665723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71474666147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3248848478 + ... + 3248848499.

It is an arithmetic number, because the mean of its divisors is an integer number (19493090934).

Almost surely, 2^71474666747 is an apocalyptic number.

71474666747 is a deficient number, since it is larger than the sum of its proper divisors (6497696989).

71474666747 is a wasteful number, since it uses less digits than its factorization.

71474666747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6497696988.

The product of its digits is 33191424, while the sum is 59.

The spelling of 71474666747 in words is "seventy-one billion, four hundred seventy-four million, six hundred sixty-six thousand, seven hundred forty-seven".