4721764 has 12 divisors (see below), whose sum is σ = 8327088. Its totient is φ = 2342600.

The previous prime is 4721753. The next prime is 4721779. The reversal of 4721764 is 4671274.

4721764 = 432² + 433² + ... + 455².

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3982 + ... + 5029.

It is an arithmetic number, because the mean of its divisors is an integer number (693924).

Almost surely, 2^4721764 is an apocalyptic number.

It is an amenable number.

4721764 is a deficient number, since it is larger than the sum of its proper divisors (3605324).

4721764 is a wasteful number, since it uses less digits than its factorization.

4721764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9146 (or 9144 counting only the distinct ones).

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

The square root of 4721764 is about 2172.9620337226. The cubic root of 4721764 is about 167.7650248661.

The spelling of 4721764 in words is "four million, seven hundred twenty-one thousand, seven hundred sixty-four".