275193972 has 36 divisors (see below), whose sum is σ = 704441920. Its totient is φ = 90569232.

The previous prime is 275193959. The next prime is 275193973. The reversal of 275193972 is 279391572.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275193973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45538 + ... + 51225.

Almost surely, 2^275193972 is an apocalyptic number.

It is an amenable number.

275193972 is an abundant number, since it is smaller than the sum of its proper divisors (429247948).

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

275193972 is a wasteful number, since it uses less digits than its factorization.

275193972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96852 (or 96847 counting only the distinct ones).

The product of its digits is 238140, while the sum is 45.

The square root of 275193972 is about 16588.9713966840. The cubic root of 275193972 is about 650.4485834453.

The spelling of 275193972 in words is "two hundred seventy-five million, one hundred ninety-three thousand, nine hundred seventy-two".