7720099 has 8 divisors (see below), whose sum is σ = 8260880. Its totient is φ = 7192800.

The previous prime is 7720093. The next prime is 7720103. The reversal of 7720099 is 9900277.

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

It is a cyclic number.

It is not a de Polignac number, because 7720099 - 2⁵ = 7720067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7720093) 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 7 ways as a sum of consecutive naturals, for example, 2172 + ... + 4489.

It is an arithmetic number, because the mean of its divisors is an integer number (1032610).

Almost surely, 2^7720099 is an apocalyptic number.

7720099 is a deficient number, since it is larger than the sum of its proper divisors (540781).

7720099 is a wasteful number, since it uses less digits than its factorization.

7720099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6741.

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 7720099 is about 2778.5066132727. The cubic root of 7720099 is about 197.6397472726.

The spelling of 7720099 in words is "seven million, seven hundred twenty thousand, ninety-nine".