4732421 has 4 divisors (see below), whose sum is σ = 4737132. Its totient is φ = 4727712.

The previous prime is 4732417. The next prime is 4732433. The reversal of 4732421 is 1242374.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4389025 + 343396 = 2095^2 + 586^2 .

It is a cyclic number.

It is not a de Polignac number, because 4732421 - 2² = 4732417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4732471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176 + ... + 3081.

It is an arithmetic number, because the mean of its divisors is an integer number (1184283).

Almost surely, 2^4732421 is an apocalyptic number.

It is an amenable number.

4732421 is a deficient number, since it is larger than the sum of its proper divisors (4711).

4732421 is a wasteful number, since it uses less digits than its factorization.

4732421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4710.

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

The square root of 4732421 is about 2175.4128343834. The cubic root of 4732421 is about 167.8911449970.

Adding to 4732421 its reverse (1242374), we get a palindrome (5974795).

The spelling of 4732421 in words is "four million, seven hundred thirty-two thousand, four hundred twenty-one".