378754 has 4 divisors (see below), whose sum is σ = 568134. Its totient is φ = 189376.

The previous prime is 378739. The next prime is 378757. The reversal of 378754 is 457873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 457873 = 13 ⋅35221.

It can be written as a sum of positive squares in only one way, i.e., 378225 + 529 = 615^2 + 23^2 .

It is not an unprimeable number, because it can be changed into a prime (378757) by changing a digit.

378754 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94687 + ... + 94690.

2³⁷⁸⁷⁵⁴ is an apocalyptic number.

378754 is a deficient number, since it is larger than the sum of its proper divisors (189380).

378754 is a wasteful number, since it uses less digits than its factorization.

378754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189379.

The product of its digits is 23520, while the sum is 34.

The square root of 378754 is about 615.4299310238. The cubic root of 378754 is about 72.3523113197.

The spelling of 378754 in words is "three hundred seventy-eight thousand, seven hundred fifty-four".