7947055 has 4 divisors (see below), whose sum is σ = 9536472. Its totient is φ = 6357640.

The previous prime is 7947053. The next prime is 7947059. The reversal of 7947055 is 5507497.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 7947055 - 2¹ = 7947053 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 (7947053) 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 3 ways as a sum of consecutive naturals, for example, 794701 + ... + 794710.

It is an arithmetic number, because the mean of its divisors is an integer number (2384118).

Almost surely, 2^7947055 is an apocalyptic number.

7947055 is a deficient number, since it is larger than the sum of its proper divisors (1589417).

7947055 is a wasteful number, since it uses less digits than its factorization.

7947055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589416.

The product of its (nonzero) digits is 44100, while the sum is 37.

The square root of 7947055 is about 2819.0521456688. The cubic root of 7947055 is about 199.5578147482.

The spelling of 7947055 in words is "seven million, nine hundred forty-seven thousand, fifty-five".