275711428 has 6 divisors (see below), whose sum is σ = 482495006. Its totient is φ = 137855712.

The previous prime is 275711393. The next prime is 275711431. The reversal of 275711428 is 824117572.

It can be written as a sum of positive squares in only one way, i.e., 184470724 + 91240704 = 13582^2 + 9552^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34463925 + ... + 34463932.

Almost surely, 2^275711428 is an apocalyptic number.

It is an amenable number.

275711428 is a deficient number, since it is larger than the sum of its proper divisors (206783578).

275711428 is a wasteful number, since it uses less digits than its factorization.

275711428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68927861 (or 68927859 counting only the distinct ones).

The product of its digits is 31360, while the sum is 37.

The square root of 275711428 is about 16604.5604578983. The cubic root of 275711428 is about 650.8560145869.

The spelling of 275711428 in words is "two hundred seventy-five million, seven hundred eleven thousand, four hundred twenty-eight".