4612778 has 4 divisors (see below), whose sum is σ = 6919170. Its totient is φ = 2306388.

The previous prime is 4612723. The next prime is 4612789. The reversal of 4612778 is 8772164.

It is a happy number.

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., 3545689 + 1067089 = 1883^2 + 1033^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1153193 + ... + 1153196.

Almost surely, 2^4612778 is an apocalyptic number.

4612778 is a deficient number, since it is larger than the sum of its proper divisors (2306392).

4612778 is a wasteful number, since it uses less digits than its factorization.

4612778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2306391.

The product of its digits is 18816, while the sum is 35.

The square root of 4612778 is about 2147.7378797237. The cubic root of 4612778 is about 166.4642012573.

The spelling of 4612778 in words is "four million, six hundred twelve thousand, seven hundred seventy-eight".