4766721 has 4 divisors (see below), whose sum is σ = 6355632. Its totient is φ = 3177812.

The previous prime is 4766719. The next prime is 4766753. The reversal of 4766721 is 1276674.

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 4766721 - 2¹ = 4766719 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (4766711) 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, 794451 + ... + 794456.

It is an arithmetic number, because the mean of its divisors is an integer number (1588908).

Almost surely, 2^4766721 is an apocalyptic number.

It is an amenable number.

4766721 is a deficient number, since it is larger than the sum of its proper divisors (1588911).

4766721 is a wasteful number, since it uses less digits than its factorization.

4766721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588910.

The product of its digits is 14112, while the sum is 33.

The square root of 4766721 is about 2183.2821622502. The cubic root of 4766721 is about 168.2957870273.

The spelling of 4766721 in words is "four million, seven hundred sixty-six thousand, seven hundred twenty-one".