8378772 has 24 divisors (see below), whose sum is σ = 20580000. Its totient is φ = 2645856.

The previous prime is 8378771. The next prime is 8378803. The reversal of 8378772 is 2778738.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8378771) 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, 18147 + ... + 18602.

It is an arithmetic number, because the mean of its divisors is an integer number (857500).

Almost surely, 2^8378772 is an apocalyptic number.

It is an amenable number.

8378772 is an abundant number, since it is smaller than the sum of its proper divisors (12201228).

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

8378772 is a wasteful number, since it uses less digits than its factorization.

8378772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36775 (or 36773 counting only the distinct ones).

The product of its digits is 131712, while the sum is 42.

The square root of 8378772 is about 2894.6108546746. The cubic root of 8378772 is about 203.1078883258.

The spelling of 8378772 in words is "eight million, three hundred seventy-eight thousand, seven hundred seventy-two".