4974878 has 4 divisors (see below), whose sum is σ = 7462320. Its totient is φ = 2487438.

The previous prime is 4974811. The next prime is 4974883. The reversal of 4974878 is 8784794.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8784794 = 2 ⋅4392397.

It is a super-2 number, since 2×4974878² = 49498822229768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1243718 + ... + 1243721.

It is an arithmetic number, because the mean of its divisors is an integer number (1865580).

Almost surely, 2^4974878 is an apocalyptic number.

4974878 is a deficient number, since it is larger than the sum of its proper divisors (2487442).

4974878 is a wasteful number, since it uses less digits than its factorization.

4974878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2487441.

The product of its digits is 451584, while the sum is 47.

The square root of 4974878 is about 2230.4434536657. The cubic root of 4974878 is about 170.7107269122.

The spelling of 4974878 in words is "four million, nine hundred seventy-four thousand, eight hundred seventy-eight".