1373395968 has 264 divisors, whose sum is σ = 4619669600. Its totient is φ = 384860160.

The previous prime is 1373395957. The next prime is 1373395997. The reversal of 1373395968 is 8695933731.

1373395968 is a `hidden beast` number, since 13 + 7 + 3 + 39 + 596 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3935058 + ... + 3935406.

Almost surely, 2^1373395968 is an apocalyptic number.

1373395968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1373395968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2309834800).

1373395968 is an abundant number, since it is smaller than the sum of its proper divisors (3246273632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1373395968 is a wasteful number, since it uses less digits than its factorization.

1373395968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443 (or 422 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 54.

The square root of 1373395968 is about 37059.3573608610. The cubic root of 1373395968 is about 1111.5574727619.

The spelling of 1373395968 in words is "one billion, three hundred seventy-three million, three hundred ninety-five thousand, nine hundred sixty-eight".