378133752 has 32 divisors (see below), whose sum is σ = 946039680. Its totient is φ = 125950560.

The previous prime is 378133751. The next prime is 378133781. The reversal of 378133752 is 257331873.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 378133752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378133751) 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, 31927 + ... + 42137.

It is an arithmetic number, because the mean of its divisors is an integer number (29563740).

Almost surely, 2^378133752 is an apocalyptic number.

It is an amenable number.

378133752 is an abundant number, since it is smaller than the sum of its proper divisors (567905928).

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

378133752 is a wasteful number, since it uses less digits than its factorization.

378133752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11763 (or 11759 counting only the distinct ones).

The product of its digits is 105840, while the sum is 39.

The square root of 378133752 is about 19445.6615212751. The cubic root of 378133752 is about 723.1279499759.

It can be divided in two parts, 378133 and 752, that added together give a triangular number (378885 = T₈₇₀).

The spelling of 378133752 in words is "three hundred seventy-eight million, one hundred thirty-three thousand, seven hundred fifty-two".