7947473 has 4 divisors (see below), whose sum is σ = 8066160. Its totient is φ = 7828788.

The previous prime is 7947469. The next prime is 7947487. The reversal of 7947473 is 3747497.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7947473 - 2² = 7947469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7947473.

It is not an unprimeable number, because it can be changed into a prime (7947493) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 59243 + ... + 59376.

It is an arithmetic number, because the mean of its divisors is an integer number (2016540).

Almost surely, 2^7947473 is an apocalyptic number.

It is an amenable number.

7947473 is a deficient number, since it is larger than the sum of its proper divisors (118687).

7947473 is a wasteful number, since it uses less digits than its factorization.

7947473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118686.

The product of its digits is 148176, while the sum is 41.

The square root of 7947473 is about 2819.1262830884. The cubic root of 7947473 is about 199.5613134742.

The spelling of 7947473 in words is "seven million, nine hundred forty-seven thousand, four hundred seventy-three".