275670720 has 336 divisors, whose sum is σ = 1053998400. Its totient is φ = 65691648.

The previous prime is 275670673. The next prime is 275670743. The reversal of 275670720 is 27076572.

275670720 is a `hidden beast` number, since 27 + 567 + 0 + 72 + 0 = 666.

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

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, 1385181 + ... + 1385379.

It is an arithmetic number, because the mean of its divisors is an integer number (3136900).

Almost surely, 2^275670720 is an apocalyptic number.

275670720 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 275670720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (526999200).

275670720 is an abundant number, since it is smaller than the sum of its proper divisors (778327680).

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

275670720 is a wasteful number, since it uses less digits than its factorization.

275670720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The square root of 275670720 is about 16603.3346048316. The cubic root of 275670720 is about 650.8239806702.

The spelling of 275670720 in words is "two hundred seventy-five million, six hundred seventy thousand, seven hundred twenty".