275332530 has 32 divisors (see below), whose sum is σ = 720871488. Its totient is φ = 66747200.

The previous prime is 275332501. The next prime is 275332531. The reversal of 275332530 is 35233572.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (275332531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 416841 + ... + 417500.

It is an arithmetic number, because the mean of its divisors is an integer number (22527234).

Almost surely, 2^275332530 is an apocalyptic number.

275332530 is an abundant number, since it is smaller than the sum of its proper divisors (445538958).

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

275332530 is a wasteful number, since it uses less digits than its factorization.

275332530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834362.

The product of its (nonzero) digits is 18900, while the sum is 30.

The square root of 275332530 is about 16593.1470794422. The cubic root of 275332530 is about 650.5577303774.

The spelling of 275332530 in words is "two hundred seventy-five million, three hundred thirty-two thousand, five hundred thirty".