374320337521 has 8 divisors (see below), whose sum is σ = 407643584040. Its totient is φ = 341644144512.

The previous prime is 374320337483. The next prime is 374320337537. The reversal of 374320337521 is 125733023473.

It can be written as a sum of positive squares in 4 ways, for example, as 20100150625 + 354220186896 = 141775^2 + 595164^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 374320337521 - 2¹⁵ = 374320304753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (374320337551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161762170 + ... + 161764483.

It is an arithmetic number, because the mean of its divisors is an integer number (50955448005).

Almost surely, 2^374320337521 is an apocalyptic number.

It is an amenable number.

374320337521 is a deficient number, since it is larger than the sum of its proper divisors (33323246519).

374320337521 is a wasteful number, since it uses less digits than its factorization.

374320337521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323526755.

The product of its (nonzero) digits is 317520, while the sum is 40.

The spelling of 374320337521 in words is "three hundred seventy-four billion, three hundred twenty million, three hundred thirty-seven thousand, five hundred twenty-one".