7720995 has 8 divisors (see below), whose sum is σ = 12353616. Its totient is φ = 4117856.

The previous prime is 7720969. The next prime is 7721003. The reversal of 7720995 is 5990277.

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 7720995 - 2¹² = 7716899 is a prime.

It is a super-2 number, since 2×7720995² = 119227527580050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257352 + ... + 257381.

It is an arithmetic number, because the mean of its divisors is an integer number (1544202).

Almost surely, 2^7720995 is an apocalyptic number.

7720995 is a deficient number, since it is larger than the sum of its proper divisors (4632621).

7720995 is a wasteful number, since it uses less digits than its factorization.

7720995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514741.

The product of its (nonzero) digits is 39690, while the sum is 39.

The square root of 7720995 is about 2778.6678462889. The cubic root of 7720995 is about 197.6473930452.

The spelling of 7720995 in words is "seven million, seven hundred twenty thousand, nine hundred ninety-five".