4742453 has 4 divisors (see below), whose sum is σ = 4747500. Its totient is φ = 4737408.

The previous prime is 4742447. The next prime is 4742467. The reversal of 4742453 is 3542474.

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 734449 + 4008004 = 857^2 + 2002^2 .

It is a cyclic number.

It is not a de Polignac number, because 4742453 - 2⁸ = 4742197 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4³ + 7 + 4⁷ + 2⁷ + 4¹¹ + 5³ + 3¹² .

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4742443) 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, 650 + ... + 3147.

It is an arithmetic number, because the mean of its divisors is an integer number (1186875).

Almost surely, 2^4742453 is an apocalyptic number.

It is an amenable number.

4742453 is a deficient number, since it is larger than the sum of its proper divisors (5047).

4742453 is a wasteful number, since it uses less digits than its factorization.

4742453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5046.

The product of its digits is 13440, while the sum is 29.

The square root of 4742453 is about 2177.7173829494. The cubic root of 4742453 is about 168.0096956800.

The spelling of 4742453 in words is "four million, seven hundred forty-two thousand, four hundred fifty-three".