274945632 has 96 divisors (see below), whose sum is σ = 782933760. Its totient is φ = 83980800.

The previous prime is 274945621. The next prime is 274945661. The reversal of 274945632 is 236549472.

It is a tau number, because it is divible by the number of its divisors (96).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187719 + ... + 189177.

It is an arithmetic number, because the mean of its divisors is an integer number (8155560).

Almost surely, 2^274945632 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 274945632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (391466880).

274945632 is an abundant number, since it is smaller than the sum of its proper divisors (507988128).

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

274945632 is a wasteful number, since it uses less digits than its factorization.

274945632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636 (or 1628 counting only the distinct ones).

The product of its digits is 362880, while the sum is 42.

The square root of 274945632 is about 16581.4846138698. The cubic root of 274945632 is about 650.2528657189.

The spelling of 274945632 in words is "two hundred seventy-four million, nine hundred forty-five thousand, six hundred thirty-two".