275231994 has 8 divisors (see below), whose sum is σ = 550464000. Its totient is φ = 91743996.

The previous prime is 275231959. The next prime is 275232019. The reversal of 275231994 is 499132572.

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

275231994 is an admirable number.

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, 22935994 + ... + 22936005.

It is an arithmetic number, because the mean of its divisors is an integer number (68808000).

Almost surely, 2^275231994 is an apocalyptic number.

275231994 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.

275231994 is a wasteful number, since it uses less digits than its factorization.

275231994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45872004.

The product of its digits is 136080, while the sum is 42.

The square root of 275231994 is about 16590.1173594402. The cubic root of 275231994 is about 650.4785383373.

The spelling of 275231994 in words is "two hundred seventy-five million, two hundred thirty-one thousand, nine hundred ninety-four".