5047721 has 8 divisors (see below), whose sum is σ = 5825664. Its totient is φ = 4284000.

The previous prime is 5047717. The next prime is 5047733. The reversal of 5047721 is 1277405.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5047721 - 2² = 5047717 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5047121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2780 + ... + 4221.

It is an arithmetic number, because the mean of its divisors is an integer number (728208).

Almost surely, 2^5047721 is an apocalyptic number.

It is an amenable number.

5047721 is a deficient number, since it is larger than the sum of its proper divisors (777943).

5047721 is a wasteful number, since it uses less digits than its factorization.

5047721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7111.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 5047721 is about 2246.7133773581. The cubic root of 5047721 is about 171.5398848152.

The spelling of 5047721 in words is "five million, forty-seven thousand, seven hundred twenty-one".