275606620 has 12 divisors (see below), whose sum is σ = 578773944. Its totient is φ = 110242640.

The previous prime is 275606603. The next prime is 275606623. The reversal of 275606620 is 26606572.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275606623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6890146 + ... + 6890185.

It is an arithmetic number, because the mean of its divisors is an integer number (48231162).

Almost surely, 2^275606620 is an apocalyptic number.

275606620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275606620 is an abundant number, since it is smaller than the sum of its proper divisors (303167324).

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

275606620 is a wasteful number, since it uses less digits than its factorization.

275606620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13780340 (or 13780338 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 275606620 is about 16601.4041574802. The cubic root of 275606620 is about 650.7735327408.

The spelling of 275606620 in words is "two hundred seventy-five million, six hundred six thousand, six hundred twenty".