5721977 has 4 divisors (see below), whose sum is σ = 5742480. Its totient is φ = 5701476.

The previous prime is 5721971. The next prime is 5722007. The reversal of 5721977 is 7791275.

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 5721977 - 2⁶ = 5721913 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 5721977.

It is not an unprimeable number, because it can be changed into a prime (5721971) 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, 9827 + ... + 10392.

It is an arithmetic number, because the mean of its divisors is an integer number (1435620).

Almost surely, 2^5721977 is an apocalyptic number.

It is an amenable number.

5721977 is a deficient number, since it is larger than the sum of its proper divisors (20503).

5721977 is a wasteful number, since it uses less digits than its factorization.

5721977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20502.

The product of its digits is 30870, while the sum is 38.

The square root of 5721977 is about 2392.0654255267. The cubic root of 5721977 is about 178.8608825127.

The spelling of 5721977 in words is "five million, seven hundred twenty-one thousand, nine hundred seventy-seven".