7947463 has 4 divisors (see below), whose sum is σ = 7987600. Its totient is φ = 7907328.

The previous prime is 7947461. The next prime is 7947469. The reversal of 7947463 is 3647497.

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

It is a cyclic number.

It is not a de Polignac number, because 7947463 - 2¹ = 7947461 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 (7947461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19770 + ... + 20167.

It is an arithmetic number, because the mean of its divisors is an integer number (1996900).

Almost surely, 2^7947463 is an apocalyptic number.

7947463 is a deficient number, since it is larger than the sum of its proper divisors (40137).

7947463 is a wasteful number, since it uses less digits than its factorization.

7947463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40136.

The product of its digits is 127008, while the sum is 40.

The square root of 7947463 is about 2819.1245094887. The cubic root of 7947463 is about 199.5612297740.

The spelling of 7947463 in words is "seven million, nine hundred forty-seven thousand, four hundred sixty-three".