275072652 has 96 divisors (see below), whose sum is σ = 771187200. Its totient is φ = 84494016.

The previous prime is 275072647. The next prime is 275072653. The reversal of 275072652 is 256270572.

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

It is not an unprimeable number, because it can be changed into a prime (275072653) 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 31 ways as a sum of consecutive naturals, for example, 74113 + ... + 77735.

It is an arithmetic number, because the mean of its divisors is an integer number (8033200).

Almost surely, 2^275072652 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 275072652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (385593600).

275072652 is an abundant number, since it is smaller than the sum of its proper divisors (496114548).

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

275072652 is a wasteful number, since it uses less digits than its factorization.

275072652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3692 (or 3684 counting only the distinct ones).

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

The square root of 275072652 is about 16585.3143473375. The cubic root of 275072652 is about 650.3529853953.

The spelling of 275072652 in words is "two hundred seventy-five million, seventy-two thousand, six hundred fifty-two".