275378790 has 32 divisors (see below), whose sum is σ = 678774240. Its totient is φ = 71449344.

The previous prime is 275378773. The next prime is 275378819. The reversal of 275378790 is 97873572.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122935 + ... + 125154.

It is an arithmetic number, because the mean of its divisors is an integer number (21211695).

Almost surely, 2^275378790 is an apocalyptic number.

275378790 is an abundant number, since it is smaller than the sum of its proper divisors (403395450).

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

275378790 is a wasteful number, since it uses less digits than its factorization.

275378790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248136.

The product of its (nonzero) digits is 740880, while the sum is 48.

The square root of 275378790 is about 16594.5409698491. The cubic root of 275378790 is about 650.5941628267.

The spelling of 275378790 in words is "two hundred seventy-five million, three hundred seventy-eight thousand, seven hundred ninety".