4874978 has 4 divisors (see below), whose sum is σ = 7312470. Its totient is φ = 2437488.

The previous prime is 4874977. The next prime is 4874983. The reversal of 4874978 is 8794784.

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

It can be written as a sum of positive squares in only one way, i.e., 3736489 + 1138489 = 1933^2 + 1067^2 .

It is not an unprimeable number, because it can be changed into a prime (4874977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1218743 + ... + 1218746.

Almost surely, 2^4874978 is an apocalyptic number.

4874978 is a deficient number, since it is larger than the sum of its proper divisors (2437492).

4874978 is a wasteful number, since it uses less digits than its factorization.

4874978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2437491.

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

The square root of 4874978 is about 2207.9352345574. The cubic root of 4874978 is about 169.5603170848.

The spelling of 4874978 in words is "four million, eight hundred seventy-four thousand, nine hundred seventy-eight".