274882530 has 64 divisors (see below), whose sum is σ = 712228608. Its totient is φ = 67495680.

The previous prime is 274882529. The next prime is 274882607. The reversal of 274882530 is 35288472.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 245532 + ... + 246648.

It is an arithmetic number, because the mean of its divisors is an integer number (11128572).

Almost surely, 2^274882530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 274882530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356114304).

274882530 is an abundant number, since it is smaller than the sum of its proper divisors (437346078).

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

274882530 is a wasteful number, since it uses less digits than its factorization.

274882530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771.

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 274882530 is about 16579.5817196937. The cubic root of 274882530 is about 650.2031160096.

The spelling of 274882530 in words is "two hundred seventy-four million, eight hundred eighty-two thousand, five hundred thirty".