4770421 has 4 divisors (see below), whose sum is σ = 5051052. Its totient is φ = 4489792.

The previous prime is 4770401. The next prime is 4770427. The reversal of 4770421 is 1240774.

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 1347921 + 3422500 = 1161^2 + 1850^2 .

It is a cyclic number.

It is not a de Polignac number, because 4770421 - 2⁹ = 4769909 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 (4770427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140290 + ... + 140323.

It is an arithmetic number, because the mean of its divisors is an integer number (1262763).

Almost surely, 2^4770421 is an apocalyptic number.

It is an amenable number.

4770421 is a deficient number, since it is larger than the sum of its proper divisors (280631).

4770421 is a wasteful number, since it uses less digits than its factorization.

4770421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280630.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 4770421 is about 2184.1293459866. The cubic root of 4770421 is about 168.3393203330.

The spelling of 4770421 in words is "four million, seven hundred seventy thousand, four hundred twenty-one".