378634735 has 4 divisors (see below), whose sum is σ = 454361688. Its totient is φ = 302907784.

The previous prime is 378634733. The next prime is 378634757. The reversal of 378634735 is 537436873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 537436873 = 14281 ⋅37633.

It is a cyclic number.

It is not a de Polignac number, because 378634735 - 2¹ = 378634733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378634733) 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, 37863469 + ... + 37863478.

It is an arithmetic number, because the mean of its divisors is an integer number (113590422).

Almost surely, 2^378634735 is an apocalyptic number.

378634735 is a deficient number, since it is larger than the sum of its proper divisors (75726953).

378634735 is an equidigital number, since it uses as much as digits as its factorization.

378634735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75726952.

The product of its digits is 1270080, while the sum is 46.

The square root of 378634735 is about 19458.5388711486. The cubic root of 378634735 is about 723.4471623665.

The spelling of 378634735 in words is "three hundred seventy-eight million, six hundred thirty-four thousand, seven hundred thirty-five".