275750000 has 70 divisors (see below), whose sum is σ = 668428944. Its totient is φ = 110200000.

The previous prime is 275749997. The next prime is 275750003. The reversal of 275750000 is 57572.

It is an interprime number because it is at equal distance from previous prime (275749997) and next prime (275750003).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275750003) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 249449 + ... + 250551.

Almost surely, 2^275750000 is an apocalyptic number.

275750000 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 275750000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334214472).

275750000 is an abundant number, since it is smaller than the sum of its proper divisors (392678944).

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

275750000 is an frugal number, since it uses more digits than its factorization.

275750000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141 (or 1110 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 26.

The square root of 275750000 is about 16605.7219054156. The cubic root of 275750000 is about 650.8863647344.

The spelling of 275750000 in words is "two hundred seventy-five million, seven hundred fifty thousand".