4781632 has 14 divisors (see below), whose sum is σ = 9488678. Its totient is φ = 2390784.

The previous prime is 4781629. The next prime is 4781653. The reversal of 4781632 is 2361874.

It can be written as a sum of positive squares in only one way, i.e., 4734976 + 46656 = 2176^2 + 216^2 .

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 = 4781594 and 4781603.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37293 + ... + 37420.

Almost surely, 2^4781632 is an apocalyptic number.

It is an amenable number.

4781632 is a deficient number, since it is larger than the sum of its proper divisors (4707046).

4781632 is an equidigital number, since it uses as much as digits as its factorization.

4781632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74725 (or 74715 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 4781632 is about 2186.6943087684. The cubic root of 4781632 is about 168.4710889709.

The spelling of 4781632 in words is "four million, seven hundred eighty-one thousand, six hundred thirty-two".