4975478 has 4 divisors (see below), whose sum is σ = 7463220. Its totient is φ = 2487738.

The previous prime is 4975463. The next prime is 4975493. The reversal of 4975478 is 8745794.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8745794 = 2 ⋅4372897.

It is an interprime number because it is at equal distance from previous prime (4975463) and next prime (4975493).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1243868 + ... + 1243871.

It is an arithmetic number, because the mean of its divisors is an integer number (1865805).

Almost surely, 2^4975478 is an apocalyptic number.

4975478 is a deficient number, since it is larger than the sum of its proper divisors (2487742).

4975478 is a wasteful number, since it uses less digits than its factorization.

4975478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2487741.

The product of its digits is 282240, while the sum is 44.

The square root of 4975478 is about 2230.5779520115. The cubic root of 4975478 is about 170.7175895474.

The spelling of 4975478 in words is "four million, nine hundred seventy-five thousand, four hundred seventy-eight".