4723778 has 8 divisors (see below), whose sum is σ = 7099068. Its totient is φ = 2357424.

The previous prime is 4723777. The next prime is 4723783. The reversal of 4723778 is 8773274.

It can be written as a sum of positive squares in 2 ways, for example, as 4721929 + 1849 = 2173^2 + 43^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (4723777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 701 + ... + 3152.

Almost surely, 2^4723778 is an apocalyptic number.

4723778 is a deficient number, since it is larger than the sum of its proper divisors (2375290).

4723778 is a wasteful number, since it uses less digits than its factorization.

4723778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4468.

The product of its digits is 65856, while the sum is 38.

The square root of 4723778 is about 2173.4254070476. The cubic root of 4723778 is about 167.7888740556.

It can be divided in two parts, 472 and 3778, that multiplied together give a triangular number (1783216 = T₁₈₈₈).

The spelling of 4723778 in words is "four million, seven hundred twenty-three thousand, seven hundred seventy-eight".