4746721 has 4 divisors (see below), whose sum is σ = 5424832. Its totient is φ = 4068612.

The previous prime is 4746701. The next prime is 4746737. The reversal of 4746721 is 1276474.

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 a de Polignac number, because none of the positive numbers 2^k-4746721 is a prime.

4746721 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4746701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339045 + ... + 339058.

It is an arithmetic number, because the mean of its divisors is an integer number (1356208).

Almost surely, 2^4746721 is an apocalyptic number.

It is an amenable number.

4746721 is a deficient number, since it is larger than the sum of its proper divisors (678111).

4746721 is an equidigital number, since it uses as much as digits as its factorization.

4746721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678110.

The product of its digits is 9408, while the sum is 31.

The square root of 4746721 is about 2178.6970877109. The cubic root of 4746721 is about 168.0600810242.

The spelling of 4746721 in words is "four million, seven hundred forty-six thousand, seven hundred twenty-one".