275730426 has 32 divisors (see below), whose sum is σ = 613451520. Its totient is φ = 91802592.

The previous prime is 275730397. The next prime is 275730457. The reversal of 275730426 is 624037572.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53311 + ... + 58253.

It is an arithmetic number, because the mean of its divisors is an integer number (19170360).

Almost surely, 2^275730426 is an apocalyptic number.

275730426 is an abundant number, since it is smaller than the sum of its proper divisors (337721094).

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

275730426 is a wasteful number, since it uses less digits than its factorization.

275730426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5987 (or 5981 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 275730426 is about 16605.1325197964. The cubic root of 275730426 is about 650.8709634033.

Adding to 275730426 its reverse (624037572), we get a palindrome (899767998).

The spelling of 275730426 in words is "two hundred seventy-five million, seven hundred thirty thousand, four hundred twenty-six".