4728642 has 8 divisors (see below), whose sum is σ = 9457296. Its totient is φ = 1576212.

The previous prime is 4728631. The next prime is 4728649. The reversal of 4728642 is 2468274.

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

4728642 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (4728649) 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, 394048 + ... + 394059.

It is an arithmetic number, because the mean of its divisors is an integer number (1182162).

Almost surely, 2^4728642 is an apocalyptic number.

4728642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4728642 is a wasteful number, since it uses less digits than its factorization.

4728642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788112.

The product of its digits is 21504, while the sum is 33.

The square root of 4728642 is about 2174.5440901486. The cubic root of 4728642 is about 167.8464441563.

The spelling of 4728642 in words is "four million, seven hundred twenty-eight thousand, six hundred forty-two".