274245426 has 192 divisors, whose sum is σ = 777911040. Its totient is φ = 70963776.

The previous prime is 274245421. The next prime is 274245467. The reversal of 274245426 is 624542472.

It is not an unprimeable number, because it can be changed into a prime (274245421) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5174416 + ... + 5174468.

It is an arithmetic number, because the mean of its divisors is an integer number (4051620).

Almost surely, 2^274245426 is an apocalyptic number.

274245426 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 274245426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388955520).

274245426 is an abundant number, since it is smaller than the sum of its proper divisors (503665614).

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

274245426 is an equidigital number, since it uses as much as digits as its factorization.

274245426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 78 counting only the distinct ones).

The product of its digits is 107520, while the sum is 36.

The square root of 274245426 is about 16560.3570613680. The cubic root of 274245426 is about 649.7003952576.

Adding to 274245426 its reverse (624542472), we get a palindrome (898787898).

The spelling of 274245426 in words is "two hundred seventy-four million, two hundred forty-five thousand, four hundred twenty-six".