71300665 has 16 divisors (see below), whose sum is σ = 89926848. Its totient is φ = 54202176.

The previous prime is 71300657. The next prime is 71300693. The reversal of 71300665 is 56600317.

It is a cyclic number.

It is not a de Polignac number, because 71300665 - 2³ = 71300657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3474 + ... + 12436.

It is an arithmetic number, because the mean of its divisors is an integer number (5620428).

Almost surely, 2^71300665 is an apocalyptic number.

It is an amenable number.

71300665 is a deficient number, since it is larger than the sum of its proper divisors (18626183).

71300665 is a wasteful number, since it uses less digits than its factorization.

71300665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9048.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 71300665 is about 8443.9721103282. The cubic root of 71300665 is about 414.6654583624.

The spelling of 71300665 in words is "seventy-one million, three hundred thousand, six hundred sixty-five".