275070390 has 96 divisors (see below), whose sum is σ = 772450560. Its totient is φ = 61392768.

The previous prime is 275070379. The next prime is 275070403. The reversal of 275070390 is 93070572.

It is a congruent number.

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, 1846036 + ... + 1846184.

It is an arithmetic number, because the mean of its divisors is an integer number (8046360).

Almost surely, 2^275070390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 275070390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (386225280).

275070390 is an abundant number, since it is smaller than the sum of its proper divisors (497380170).

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

275070390 is a wasteful number, since it uses less digits than its factorization.

275070390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 33.

The square root of 275070390 is about 16585.2461543385. The cubic root of 275070390 is about 650.3512027118.

The spelling of 275070390 in words is "two hundred seventy-five million, seventy thousand, three hundred ninety".