4378743 has 6 divisors (see below), whose sum is σ = 6324864. Its totient is φ = 2919156.

The previous prime is 4378727. The next prime is 4378753. The reversal of 4378743 is 3478734.

It is not a de Polignac number, because 4378743 - 2⁴ = 4378727 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4378698 and 4378707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4378753) 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 5 ways as a sum of consecutive naturals, for example, 243255 + ... + 243272.

It is an arithmetic number, because the mean of its divisors is an integer number (1054144).

Almost surely, 2^4378743 is an apocalyptic number.

4378743 is a deficient number, since it is larger than the sum of its proper divisors (1946121).

4378743 is a wasteful number, since it uses less digits than its factorization.

4378743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486533 (or 486530 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 4378743 is about 2092.5446231801. The cubic root of 4378743 is about 163.5999445045.

Subtracting from 4378743 its reverse (3478734), we obtain a palindrome (900009).

It can be divided in two parts, 437 and 8743, that added together give a triangular number (9180 = T₁₃₅).

The spelling of 4378743 in words is "four million, three hundred seventy-eight thousand, seven hundred forty-three".