7290665759 has 8 divisors (see below), whose sum is σ = 7913310720. Its totient is φ = 6676852896.

The previous prime is 7290665749. The next prime is 7290665819. The reversal of 7290665759 is 9575660927.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7290665759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7290665719) 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, 2206304 + ... + 2209605.

It is an arithmetic number, because the mean of its divisors is an integer number (989163840).

Almost surely, 2^7290665759 is an apocalyptic number.

7290665759 is a deficient number, since it is larger than the sum of its proper divisors (622644961).

7290665759 is a wasteful number, since it uses less digits than its factorization.

7290665759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4416049.

The product of its (nonzero) digits is 7144200, while the sum is 56.

The square root of 7290665759 is about 85385.3954666722. The cubic root of 7290665759 is about 1939.0502453342.

The spelling of 7290665759 in words is "seven billion, two hundred ninety million, six hundred sixty-five thousand, seven hundred fifty-nine".