4722378 has 16 divisors (see below), whose sum is σ = 9499680. Its totient is φ = 1564976.

The previous prime is 4722373. The next prime is 4722397. The reversal of 4722378 is 8732274.

It is not an unprimeable number, because it can be changed into a prime (4722371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1125 + ... + 3272.

It is an arithmetic number, because the mean of its divisors is an integer number (593730).

Almost surely, 2^4722378 is an apocalyptic number.

4722378 is an abundant number, since it is smaller than the sum of its proper divisors (4777302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4722378 is a wasteful number, since it uses less digits than its factorization.

4722378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4581.

The product of its digits is 18816, while the sum is 33.

The square root of 4722378 is about 2173.1033109358. The cubic root of 4722378 is about 167.7722963901.

It can be divided in two parts, 472 and 2378, that added together give a triangular number (2850 = T₇₅).

The spelling of 4722378 in words is "four million, seven hundred twenty-two thousand, three hundred seventy-eight".