4785457 has 4 divisors (see below), whose sum is σ = 4801060. Its totient is φ = 4769856.

The previous prime is 4785421. The next prime is 4785463. The reversal of 4785457 is 7545874.

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 1083681 + 3701776 = 1041^2 + 1924^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4785457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4785467) 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, 7332 + ... + 7957.

It is an arithmetic number, because the mean of its divisors is an integer number (1200265).

Almost surely, 2^4785457 is an apocalyptic number.

It is an amenable number.

4785457 is a deficient number, since it is larger than the sum of its proper divisors (15603).

4785457 is a wasteful number, since it uses less digits than its factorization.

4785457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15602.

The product of its digits is 156800, while the sum is 40.

The square root of 4785457 is about 2187.5687417770. The cubic root of 4785457 is about 168.5159990326.

The spelling of 4785457 in words is "four million, seven hundred eighty-five thousand, four hundred fifty-seven".