4721432 has 32 divisors (see below), whose sum is σ = 9374400. Its totient is φ = 2225664.

The previous prime is 4721419. The next prime is 4721441. The reversal of 4721432 is 2341274.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 4721398 and 4721407.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 10688 + ... + 11120.

It is an arithmetic number, because the mean of its divisors is an integer number (292950).

Almost surely, 2^4721432 is an apocalyptic number.

It is an amenable number.

4721432 is a deficient number, since it is larger than the sum of its proper divisors (4652968).

4721432 is a wasteful number, since it uses less digits than its factorization.

4721432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515 (or 511 counting only the distinct ones).

The product of its digits is 1344, while the sum is 23.

The square root of 4721432 is about 2172.8856389603. The cubic root of 4721432 is about 167.7610927697.

The spelling of 4721432 in words is "four million, seven hundred twenty-one thousand, four hundred thirty-two".