4749478 has 8 divisors (see below), whose sum is σ = 7133472. Its totient is φ = 2371656.

The previous prime is 4749467. The next prime is 4749497. The reversal of 4749478 is 8749474.

It is a happy number.

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

It is an Ulam number.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2176 + ... + 3772.

It is an arithmetic number, because the mean of its divisors is an integer number (891684).

Almost surely, 2^4749478 is an apocalyptic number.

4749478 is a deficient number, since it is larger than the sum of its proper divisors (2383994).

4749478 is a wasteful number, since it uses less digits than its factorization.

4749478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3086.

The product of its digits is 225792, while the sum is 43.

The square root of 4749478 is about 2179.3297134670. The cubic root of 4749478 is about 168.0926123910.

The spelling of 4749478 in words is "four million, seven hundred forty-nine thousand, four hundred seventy-eight".