378736753 has 4 divisors (see below), whose sum is σ = 385156080. Its totient is φ = 372317428.

The previous prime is 378736717. The next prime is 378736759. The reversal of 378736753 is 357637873.

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.

It is a cyclic number.

It is not a de Polignac number, because 378736753 - 2¹³ = 378728561 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 378736697 and 378736706.

It is not an unprimeable number, because it can be changed into a prime (378736759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3209575 + ... + 3209692.

It is an arithmetic number, because the mean of its divisors is an integer number (96289020).

Almost surely, 2^378736753 is an apocalyptic number.

It is an amenable number.

378736753 is a deficient number, since it is larger than the sum of its proper divisors (6419327).

378736753 is an equidigital number, since it uses as much as digits as its factorization.

378736753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6419326.

The product of its digits is 2222640, while the sum is 49.

The square root of 378736753 is about 19461.1601144433. The cubic root of 378736753 is about 723.5121308776.

The spelling of 378736753 in words is "three hundred seventy-eight million, seven hundred thirty-six thousand, seven hundred fifty-three".