4728769 has 4 divisors (see below), whose sum is σ = 4891860. Its totient is φ = 4565680.

The previous prime is 4728767. The next prime is 4728797. The reversal of 4728769 is 9678274.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9678274 = 2 ⋅4839137.

It can be written as a sum of positive squares in 2 ways, for example, as 788544 + 3940225 = 888^2 + 1985^2 .

It is a cyclic number.

It is not a de Polignac number, because 4728769 - 2¹ = 4728767 is a prime.

It is a super-2 number, since 2×4728769² = 44722512510722, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4³ + 7³ + 2²¹ + 8⁷ + 7⁴ + 6³ + 9⁶ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4728761) 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, 81502 + ... + 81559.

It is an arithmetic number, because the mean of its divisors is an integer number (1222965).

Almost surely, 2^4728769 is an apocalyptic number.

It is an amenable number.

4728769 is a deficient number, since it is larger than the sum of its proper divisors (163091).

4728769 is a wasteful number, since it uses less digits than its factorization.

4728769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163090.

The product of its digits is 169344, while the sum is 43.

The square root of 4728769 is about 2174.5732914758. The cubic root of 4728769 is about 167.8479467941.

The spelling of 4728769 in words is "four million, seven hundred twenty-eight thousand, seven hundred sixty-nine".