274901328 has 60 divisors (see below), whose sum is σ = 828527700. Its totient is φ = 84584448.

The previous prime is 274901321. The next prime is 274901371. The reversal of 274901328 is 823109472.

It can be written as a sum of positive squares in 2 ways, for example, as 29289744 + 245611584 = 5412^2 + 15672^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 274901292 and 274901301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274901321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71553 + ... + 75296.

It is an arithmetic number, because the mean of its divisors is an integer number (13808795).

Almost surely, 2^274901328 is an apocalyptic number.

It is an amenable number.

274901328 is an abundant number, since it is smaller than the sum of its proper divisors (553626372).

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

274901328 is a wasteful number, since it uses less digits than its factorization.

274901328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146876 (or 146867 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 274901328 is about 16580.1486121205. The cubic root of 274901328 is about 650.2179371765.

The spelling of 274901328 in words is "two hundred seventy-four million, nine hundred one thousand, three hundred twenty-eight".