275115642 has 8 divisors (see below), whose sum is σ = 550231296. Its totient is φ = 91705212.

The previous prime is 275115637. The next prime is 275115667. The reversal of 275115642 is 246511572.

It is a sphenic number, since it is the product of 3 distinct primes.

275115642 is an admirable number.

It is a super-3 number, since 3×275115642³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22926298 + ... + 22926309.

It is an arithmetic number, because the mean of its divisors is an integer number (68778912).

Almost surely, 2^275115642 is an apocalyptic number.

275115642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

275115642 is a wasteful number, since it uses less digits than its factorization.

275115642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45852612.

The product of its digits is 16800, while the sum is 33.

The square root of 275115642 is about 16586.6103227875. The cubic root of 275115642 is about 650.3868639825.

It can be divided in two parts, 27511 and 5642, that added together give a triangular number (33153 = T₂₅₇).

The spelling of 275115642 in words is "two hundred seventy-five million, one hundred fifteen thousand, six hundred forty-two".