274648998 has 48 divisors (see below), whose sum is σ = 608731200. Its totient is φ = 82528992.

The previous prime is 274648987. The next prime is 274648999. The reversal of 274648998 is 899846472.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274648999) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40453 + ... + 46751.

It is an arithmetic number, because the mean of its divisors is an integer number (12681900).

Almost surely, 2^274648998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 274648998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304365600).

274648998 is an abundant number, since it is smaller than the sum of its proper divisors (334082202).

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

274648998 is a wasteful number, since it uses less digits than its factorization.

274648998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6373 (or 6360 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 57.

The square root of 274648998 is about 16572.5374641302. The cubic root of 274648998 is about 650.0189327819.

The spelling of 274648998 in words is "two hundred seventy-four million, six hundred forty-eight thousand, nine hundred ninety-eight".