5647973 has 4 divisors (see below), whose sum is σ = 5659968. Its totient is φ = 5635980.

The previous prime is 5647969. The next prime is 5647981. The reversal of 5647973 is 3797465.

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 5647973 - 2² = 5647969 is a prime.

It is an Ulam number.

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 5647973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5647913) 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, 5261 + ... + 6242.

It is an arithmetic number, because the mean of its divisors is an integer number (1414992).

Almost surely, 2^5647973 is an apocalyptic number.

It is an amenable number.

5647973 is a deficient number, since it is larger than the sum of its proper divisors (11995).

5647973 is a wasteful number, since it uses less digits than its factorization.

5647973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11994.

The product of its digits is 158760, while the sum is 41.

The square root of 5647973 is about 2376.5464438971. The cubic root of 5647973 is about 178.0864475096.

The spelling of 5647973 in words is "five million, six hundred forty-seven thousand, nine hundred seventy-three".