4620745 has 8 divisors (see below), whose sum is σ = 5694984. Its totient is φ = 3596544.

The previous prime is 4620731. The next prime is 4620757. The reversal of 4620745 is 5470264.

It can be written as a sum of positive squares in 4 ways, for example, as 227529 + 4393216 = 477^2 + 2096^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4620745 - 2²¹ = 2523593 is a prime.

It is a Duffinian number.

4620745 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12304 + ... + 12673.

It is an arithmetic number, because the mean of its divisors is an integer number (711873).

Almost surely, 2^4620745 is an apocalyptic number.

It is an amenable number.

4620745 is a deficient number, since it is larger than the sum of its proper divisors (1074239).

4620745 is a wasteful number, since it uses less digits than its factorization.

4620745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25019.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 4620745 is about 2149.5918217187. The cubic root of 4620745 is about 166.5599828370.

The spelling of 4620745 in words is "four million, six hundred twenty thousand, seven hundred forty-five".