4621572 has 18 divisors (see below), whose sum is σ = 11682398. Its totient is φ = 1540512.

The previous prime is 4621571. The next prime is 4621577. The reversal of 4621572 is 2751264.

It can be written as a sum of positive squares in only one way, i.e., 4137156 + 484416 = 2034^2 + 696^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (4621571) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 64153 + ... + 64224.

Almost surely, 2^4621572 is an apocalyptic number.

It is an amenable number.

4621572 is an abundant number, since it is smaller than the sum of its proper divisors (7060826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4621572 is a wasteful number, since it uses less digits than its factorization.

4621572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128387 (or 128382 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 4621572 is about 2149.7841752139. The cubic root of 4621572 is about 166.5699189613.

The spelling of 4621572 in words is "four million, six hundred twenty-one thousand, five hundred seventy-two".