1373064868 has 72 divisors (see below), whose sum is σ = 2954323680. Its totient is φ = 555206400.

The previous prime is 1373064859. The next prime is 1373064871. The reversal of 1373064868 is 8684603731.

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, 1142668 + ... + 1143868.

Almost surely, 2^1373064868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1373064868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1477161840).

1373064868 is an abundant number, since it is smaller than the sum of its proper divisors (1581258812).

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

1373064868 is a wasteful number, since it uses less digits than its factorization.

1373064868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545 (or 1536 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 1373064868 is about 37054.8899337186. The cubic root of 1373064868 is about 1111.4681403656.

The spelling of 1373064868 in words is "one billion, three hundred seventy-three million, sixty-four thousand, eight hundred sixty-eight".