275403730 has 16 divisors (see below), whose sum is σ = 566544960. Its totient is φ = 94424112.

The previous prime is 275403719. The next prime is 275403731. The reversal of 275403730 is 37304572.

It is a junction number, because it is equal to n+sod(n) for n = 275403692 and 275403701.

It is not an unprimeable number, because it can be changed into a prime (275403731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1967100 + ... + 1967239.

It is an arithmetic number, because the mean of its divisors is an integer number (35409060).

Almost surely, 2^275403730 is an apocalyptic number.

275403730 is an abundant number, since it is smaller than the sum of its proper divisors (291141230).

275403730 is a wasteful number, since it uses less digits than its factorization.

275403730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3934353.

The product of its (nonzero) digits is 17640, while the sum is 31.

The square root of 275403730 is about 16595.2924047755. The cubic root of 275403730 is about 650.6138028391.

The spelling of 275403730 in words is "two hundred seventy-five million, four hundred three thousand, seven hundred thirty".