275747730 has 16 divisors (see below), whose sum is σ = 661794624. Its totient is φ = 73532720.

The previous prime is 275747699. The next prime is 275747737. The reversal of 275747730 is 37747572.

It is not an unprimeable number, because it can be changed into a prime (275747737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4595766 + ... + 4595825.

It is an arithmetic number, because the mean of its divisors is an integer number (41362164).

Almost surely, 2^275747730 is an apocalyptic number.

275747730 is an abundant number, since it is smaller than the sum of its proper divisors (386046894).

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

275747730 is a wasteful number, since it uses less digits than its factorization.

275747730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9191601.

The product of its (nonzero) digits is 288120, while the sum is 42.

The square root of 275747730 is about 16605.6535553407. The cubic root of 275747730 is about 650.8845786769.

The spelling of 275747730 in words is "two hundred seventy-five million, seven hundred forty-seven thousand, seven hundred thirty".