378742 has 16 divisors (see below), whose sum is σ = 699552. Its totient is φ = 149760.

The previous prime is 378739. The next prime is 378757. The reversal of 378742 is 247873.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 859 + ... + 1222.

It is an arithmetic number, because the mean of its divisors is an integer number (43722).

2³⁷⁸⁷⁴² is an apocalyptic number.

378742 is a deficient number, since it is larger than the sum of its proper divisors (320810).

378742 is a wasteful number, since it uses less digits than its factorization.

378742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103.

The product of its digits is 9408, while the sum is 31.

The square root of 378742 is about 615.4201816645. The cubic root of 378742 is about 72.3515472029.

The spelling of 378742 in words is "three hundred seventy-eight thousand, seven hundred forty-two".