1373678344 has 16 divisors (see below), whose sum is σ = 2635546320. Its totient is φ = 670866000.

The previous prime is 1373678291. The next prime is 1373678347. The reversal of 1373678344 is 4438763731.

It is a junction number, because it is equal to n+sod(n) for n = 1373678294 and 1373678303.

It is not an unprimeable number, because it can be changed into a prime (1373678347) 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, 1996282 + ... + 1996969.

It is an arithmetic number, because the mean of its divisors is an integer number (164721645).

Almost surely, 2^1373678344 is an apocalyptic number.

It is an amenable number.

1373678344 is a deficient number, since it is larger than the sum of its proper divisors (1261867976).

1373678344 is a wasteful number, since it uses less digits than its factorization.

1373678344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3993300 (or 3993296 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 46.

The square root of 1373678344 is about 37063.1669450952. The cubic root of 1373678344 is about 1111.6336478420.

The spelling of 1373678344 in words is "one billion, three hundred seventy-three million, six hundred seventy-eight thousand, three hundred forty-four".