1375717452 has 72 divisors (see below), whose sum is σ = 3431144976. Its totient is φ = 428915712.

The previous prime is 1375717433. The next prime is 1375717459. The reversal of 1375717452 is 2547175731.

It is a super-3 number, since 3×1375717452³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1375717459) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 598818 + ... + 601110.

Almost surely, 2^1375717452 is an apocalyptic number.

1375717452 is a gapful number since it is divisible by the number (12) 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 1375717452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1715572488).

1375717452 is an abundant number, since it is smaller than the sum of its proper divisors (2055427524).

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

1375717452 is a wasteful number, since it uses less digits than its factorization.

1375717452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2507 (or 2488 counting only the distinct ones).

The product of its digits is 205800, while the sum is 42.

The square root of 1375717452 is about 37090.6652946533. The cubic root of 1375717452 is about 1112.1834175908.

The spelling of 1375717452 in words is "one billion, three hundred seventy-five million, seven hundred seventeen thousand, four hundred fifty-two".