378774272 has 72 divisors (see below), whose sum is σ = 814820160. Its totient is φ = 175150080.

The previous prime is 378774271. The next prime is 378774283. The reversal of 378774272 is 272477873.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (378774271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208247 + ... + 210057.

Almost surely, 2^378774272 is an apocalyptic number.

378774272 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 378774272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407410080).

378774272 is an abundant number, since it is smaller than the sum of its proper divisors (436045888).

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

378774272 is a wasteful number, since it uses less digits than its factorization.

378774272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1889 (or 1875 counting only the distinct ones).

The product of its digits is 921984, while the sum is 47.

The square root of 378774272 is about 19462.1240361889. The cubic root of 378774272 is about 723.5360213109.

The spelling of 378774272 in words is "three hundred seventy-eight million, seven hundred seventy-four thousand, two hundred seventy-two".