4712621 has 4 divisors (see below), whose sum is σ = 4989852. Its totient is φ = 4435392.

The previous prime is 4712599. The next prime is 4712629. The reversal of 4712621 is 1262174.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3556996 + 1155625 = 1886^2 + 1075^2 .

It is a cyclic number.

It is not a de Polignac number, because 4712621 - 2⁶ = 4712557 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4712629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138590 + ... + 138623.

It is an arithmetic number, because the mean of its divisors is an integer number (1247463).

Almost surely, 2^4712621 is an apocalyptic number.

It is an amenable number.

4712621 is a deficient number, since it is larger than the sum of its proper divisors (277231).

4712621 is a wasteful number, since it uses less digits than its factorization.

4712621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277230.

The product of its digits is 672, while the sum is 23.

The square root of 4712621 is about 2170.8572039634. The cubic root of 4712621 is about 167.6566708181.

Adding to 4712621 its reverse (1262174), we get a palindrome (5974795).

The spelling of 4712621 in words is "four million, seven hundred twelve thousand, six hundred twenty-one".