4642678 has 4 divisors (see below), whose sum is σ = 6964020. Its totient is φ = 2321338.

The previous prime is 4642661. The next prime is 4642679. The reversal of 4642678 is 8762464.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4642679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160668 + ... + 1160671.

It is an arithmetic number, because the mean of its divisors is an integer number (1741005).

Almost surely, 2^4642678 is an apocalyptic number.

4642678 is a deficient number, since it is larger than the sum of its proper divisors (2321342).

4642678 is a wasteful number, since it uses less digits than its factorization.

4642678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321341.

The product of its digits is 64512, while the sum is 37.

The square root of 4642678 is about 2154.6874483321. The cubic root of 4642678 is about 166.8231002364.

It can be divided in two parts, 46 and 42678, that added together give a palindrome (42724).

The spelling of 4642678 in words is "four million, six hundred forty-two thousand, six hundred seventy-eight".