274989330 has 160 divisors (see below), whose sum is σ = 922078080. Its totient is φ = 57127680.

The previous prime is 274989329. The next prime is 274989409. The reversal of 274989330 is 33989472.

It is a happy number.

It is a super-2 number, since 2×274989330² = 151238263227697800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 60166 + ... + 64574.

It is an arithmetic number, because the mean of its divisors is an integer number (5762988).

Almost surely, 2^274989330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 274989330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (461039040).

274989330 is an abundant number, since it is smaller than the sum of its proper divisors (647088750).

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

274989330 is a wasteful number, since it uses less digits than its factorization.

274989330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4446 (or 4437 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 274989330 is about 16582.8022360517. The cubic root of 274989330 is about 650.2873128256.

The spelling of 274989330 in words is "two hundred seventy-four million, nine hundred eighty-nine thousand, three hundred thirty".