275500764 has 192 divisors, whose sum is σ = 903705600. Its totient is φ = 71383680.

The previous prime is 275500747. The next prime is 275500769. The reversal of 275500764 is 467005572.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275500769) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 673392 + ... + 673800.

It is an arithmetic number, because the mean of its divisors is an integer number (4706800).

Almost surely, 2^275500764 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 275500764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451852800).

275500764 is an abundant number, since it is smaller than the sum of its proper divisors (628204836).

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

275500764 is a wasteful number, since it uses less digits than its factorization.

275500764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452 (or 432 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 275500764 is about 16598.2156872358. The cubic root of 275500764 is about 650.6902049110.

The spelling of 275500764 in words is "two hundred seventy-five million, five hundred thousand, seven hundred sixty-four".