275028030 has 48 divisors (see below), whose sum is σ = 734408064. Its totient is φ = 71357760.

The previous prime is 275028029. The next prime is 275028031. The reversal of 275028030 is 30820572.

It is an interprime number because it is at equal distance from previous prime (275028029) and next prime (275028031).

It is a junction number, because it is equal to n+sod(n) for n = 275027985 and 275028003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275028031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37966 + ... + 44625.

It is an arithmetic number, because the mean of its divisors is an integer number (15300168).

Almost surely, 2^275028030 is an apocalyptic number.

275028030 is an abundant number, since it is smaller than the sum of its proper divisors (459380034).

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

275028030 is a wasteful number, since it uses less digits than its factorization.

275028030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82641 (or 82638 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 275028030 is about 16583.9690665413. The cubic root of 275028030 is about 650.3178169649.

The spelling of 275028030 in words is "two hundred seventy-five million, twenty-eight thousand, thirty".