378538272 has 240 divisors, whose sum is σ = 1315302912. Its totient is φ = 104509440.

The previous prime is 378538207. The next prime is 378538291. The reversal of 378538272 is 272835873.

378538272 is a `hidden beast` number, since 378 + 5 + 3 + 8 + 272 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 562128 + ... + 562800.

Almost surely, 2^378538272 is an apocalyptic number.

378538272 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 378538272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (657651456).

378538272 is an abundant number, since it is smaller than the sum of its proper divisors (936764640).

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

378538272 is a wasteful number, since it uses less digits than its factorization.

378538272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733 (or 716 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 378538272 is about 19456.0600328021. The cubic root of 378538272 is about 723.3857207321.

The spelling of 378538272 in words is "three hundred seventy-eight million, five hundred thirty-eight thousand, two hundred seventy-two".