378623732 has 12 divisors (see below), whose sum is σ = 675093636. Its totient is φ = 185739840.

The previous prime is 378623731. The next prime is 378623737. The reversal of 378623732 is 237326873.

It can be written as a sum of positive squares in 2 ways, for example, as 329567716 + 49056016 = 18154^2 + 7004^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 378623732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378623731) 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, 892769 + ... + 893192.

It is an arithmetic number, because the mean of its divisors is an integer number (56257803).

Almost surely, 2^378623732 is an apocalyptic number.

It is an amenable number.

378623732 is a deficient number, since it is larger than the sum of its proper divisors (296469904).

378623732 is a wasteful number, since it uses less digits than its factorization.

378623732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786018 (or 1786016 counting only the distinct ones).

The product of its digits is 254016, while the sum is 41.

The square root of 378623732 is about 19458.2561397470. The cubic root of 378623732 is about 723.4401545869.

The spelling of 378623732 in words is "three hundred seventy-eight million, six hundred twenty-three thousand, seven hundred thirty-two".