4345678 has 4 divisors (see below), whose sum is σ = 6518520. Its totient is φ = 2172838.

The previous prime is 4345669. The next prime is 4345703. The reversal of 4345678 is 8765434.

4345678 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1086418 + ... + 1086421.

It is an arithmetic number, because the mean of its divisors is an integer number (1629630).

Almost surely, 2^4345678 is an apocalyptic number.

4345678 is a deficient number, since it is larger than the sum of its proper divisors (2172842).

4345678 is a wasteful number, since it uses less digits than its factorization.

4345678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172841.

The product of its digits is 80640, while the sum is 37.

The square root of 4345678 is about 2084.6289837762. The cubic root of 4345678 is about 163.1871087072.

It can be divided in two parts, 43456 and 78, that added together give a palindrome (43534).

The spelling of 4345678 in words is "four million, three hundred forty-five thousand, six hundred seventy-eight".