374273664 has 128 divisors (see below), whose sum is σ = 1071636480. Its totient is φ = 115399680.

The previous prime is 374273663. The next prime is 374273671. The reversal of 374273664 is 466372473.

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

It is not an unprimeable number, because it can be changed into a prime (374273663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273109 + ... + 274475.

It is an arithmetic number, because the mean of its divisors is an integer number (8372160).

Almost surely, 2^374273664 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 374273664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (535818240).

374273664 is an abundant number, since it is smaller than the sum of its proper divisors (697362816).

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

374273664 is a wasteful number, since it uses less digits than its factorization.

374273664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438 (or 1426 counting only the distinct ones).

The product of its digits is 508032, while the sum is 42.

The square root of 374273664 is about 19346.1537262578. The cubic root of 374273664 is about 720.6589029984.

The spelling of 374273664 in words is "three hundred seventy-four million, two hundred seventy-three thousand, six hundred sixty-four".