275478000 has 240 divisors, whose sum is σ = 1034246304. Its totient is φ = 62899200.

The previous prime is 275477999. The next prime is 275478011. The reversal of 275478000 is 874572.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 293532 + ... + 294468.

Almost surely, 2^275478000 is an apocalyptic number.

275478000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 275478000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (517123152).

275478000 is an abundant number, since it is smaller than the sum of its proper divisors (758768304).

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

275478000 is a wasteful number, since it uses less digits than its factorization.

275478000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977 (or 954 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 275478000 is about 16597.5299367105. The cubic root of 275478000 is about 650.6722827347.

The spelling of 275478000 in words is "two hundred seventy-five million, four hundred seventy-eight thousand".