375321216 has 128 divisors (see below), whose sum is σ = 1055577600. Its totient is φ = 117964800.

The previous prime is 375321197. The next prime is 375321253. The reversal of 375321216 is 612123573.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 487680 + ... + 488448.

It is an arithmetic number, because the mean of its divisors is an integer number (8246700).

Almost surely, 2^375321216 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 375321216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (527788800).

375321216 is an abundant number, since it is smaller than the sum of its proper divisors (680256384).

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

375321216 is a wasteful number, since it uses less digits than its factorization.

375321216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858 (or 846 counting only the distinct ones).

The product of its digits is 7560, while the sum is 30.

The square root of 375321216 is about 19373.2087171950. The cubic root of 375321216 is about 721.3306257868.

Adding to 375321216 its reverse (612123573), we get a palindrome (987444789).

The spelling of 375321216 in words is "three hundred seventy-five million, three hundred twenty-one thousand, two hundred sixteen".