4738721 has 8 divisors (see below), whose sum is σ = 5154240. Its totient is φ = 4330512.

The previous prime is 4738651. The next prime is 4738777. The reversal of 4738721 is 1278374.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4738721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4738781) 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, 431 + ... + 3108.

It is an arithmetic number, because the mean of its divisors is an integer number (644280).

Almost surely, 2^4738721 is an apocalyptic number.

It is an amenable number.

4738721 is a deficient number, since it is larger than the sum of its proper divisors (415519).

4738721 is a wasteful number, since it uses less digits than its factorization.

4738721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3655.

The product of its digits is 9408, while the sum is 32.

The square root of 4738721 is about 2176.8603538123. The cubic root of 4738721 is about 167.9656132380.

The spelling of 4738721 in words is "four million, seven hundred thirty-eight thousand, seven hundred twenty-one".