1373387752 has 48 divisors (see below), whose sum is σ = 2890802880. Its totient is φ = 610964640.

The previous prime is 1373387749. The next prime is 1373387777. The reversal of 1373387752 is 2577833731.

It is a super-2 number, since 2×1373387752² = 3772387834687227008, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30403 + ... + 60589.

It is an arithmetic number, because the mean of its divisors is an integer number (60225060).

Almost surely, 2^1373387752 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 1373387752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1445401440).

1373387752 is an abundant number, since it is smaller than the sum of its proper divisors (1517415128).

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

1373387752 is a wasteful number, since it uses less digits than its factorization.

1373387752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30262 (or 30247 counting only the distinct ones).

The product of its digits is 740880, while the sum is 46.

The square root of 1373387752 is about 37059.2465114983. The cubic root of 1373387752 is about 1111.5552562187. Note that the first 3 decimals are identical.

The spelling of 1373387752 in words is "one billion, three hundred seventy-three million, three hundred eighty-seven thousand, seven hundred fifty-two".