275093428 has 6 divisors (see below), whose sum is σ = 481413506. Its totient is φ = 137546712.

The previous prime is 275093389. The next prime is 275093431. The reversal of 275093428 is 824390572.

It can be written as a sum of positive squares in only one way, i.e., 257217444 + 17875984 = 16038^2 + 4228^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34386675 + ... + 34386682.

Almost surely, 2^275093428 is an apocalyptic number.

It is an amenable number.

275093428 is a deficient number, since it is larger than the sum of its proper divisors (206320078).

275093428 is a wasteful number, since it uses less digits than its factorization.

275093428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68773361 (or 68773359 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 275093428 is about 16585.9406727505. The cubic root of 275093428 is about 650.3693585163.

The spelling of 275093428 in words is "two hundred seventy-five million, ninety-three thousand, four hundred twenty-eight".