378737 has 4 divisors (see below), whose sum is σ = 380016. Its totient is φ = 377460.

The previous prime is 378733. The next prime is 378739. The reversal of 378737 is 737873.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 378737 - 2² = 378733 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 378697 and 378706.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 378737.

It is not an unprimeable number, because it can be changed into a prime (378733) 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 3 ways as a sum of consecutive naturals, for example, 62 + ... + 872.

It is an arithmetic number, because the mean of its divisors is an integer number (95004).

2³⁷⁸⁷³⁷ is an apocalyptic number.

It is an amenable number.

378737 is a deficient number, since it is larger than the sum of its proper divisors (1279).

378737 is an equidigital number, since it uses as much as digits as its factorization.

378737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278.

The product of its digits is 24696, while the sum is 35.

The square root of 378737 is about 615.4161193859. The cubic root of 378737 is about 72.3512288161.

The spelling of 378737 in words is "three hundred seventy-eight thousand, seven hundred thirty-seven".