7290664865 has 8 divisors (see below), whose sum is σ = 9544143168. Its totient is φ = 5302301680.

The previous prime is 7290664853. The next prime is 7290664877. The reversal of 7290664865 is 5684660927.

It is an interprime number because it is at equal distance from previous prime (7290664853) and next prime (7290664877).

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

It is not a de Polignac number, because 7290664865 - 2⁸ = 7290664609 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66278717 + ... + 66278826.

It is an arithmetic number, because the mean of its divisors is an integer number (1193017896).

Almost surely, 2^7290664865 is an apocalyptic number.

It is an amenable number.

7290664865 is a deficient number, since it is larger than the sum of its proper divisors (2253478303).

7290664865 is a wasteful number, since it uses less digits than its factorization.

7290664865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132557559.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The square root of 7290664865 is about 85385.3902315847. The cubic root of 7290664865 is about 1939.0501660771.

The spelling of 7290664865 in words is "seven billion, two hundred ninety million, six hundred sixty-four thousand, eight hundred sixty-five".