275644068 has 48 divisors (see below), whose sum is σ = 742210560. Its totient is φ = 77988384.

The previous prime is 275644067. The next prime is 275644087. The reversal of 275644068 is 860446572.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (275644067) 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, 7278 + ... + 24581.

It is an arithmetic number, because the mean of its divisors is an integer number (15462720).

Almost surely, 2^275644068 is an apocalyptic number.

275644068 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

275644068 is an abundant number, since it is smaller than the sum of its proper divisors (466566492).

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

275644068 is a wasteful number, since it uses less digits than its factorization.

275644068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31976 (or 31974 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The square root of 275644068 is about 16602.5319755753. The cubic root of 275644068 is about 650.8030059849.

The spelling of 275644068 in words is "two hundred seventy-five million, six hundred forty-four thousand, sixty-eight".