4764778 has 4 divisors (see below), whose sum is σ = 7147170. Its totient is φ = 2382388.

The previous prime is 4764769. The next prime is 4764779. The reversal of 4764778 is 8774674.

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., 4721929 + 42849 = 2173^2 + 207^2 .

It is not an unprimeable number, because it can be changed into a prime (4764779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1191193 + ... + 1191196.

Almost surely, 2^4764778 is an apocalyptic number.

4764778 is a deficient number, since it is larger than the sum of its proper divisors (2382392).

4764778 is a wasteful number, since it uses less digits than its factorization.

4764778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2382391.

The product of its digits is 263424, while the sum is 43.

The square root of 4764778 is about 2182.8371446354. The cubic root of 4764778 is about 168.2729171374.

The spelling of 4764778 in words is "four million, seven hundred sixty-four thousand, seven hundred seventy-eight".