275472394 has 8 divisors (see below), whose sum is σ = 414106308. Its totient is φ = 137436960.

The previous prime is 275472391. The next prime is 275472419. The reversal of 275472394 is 493274572.

It can be written as a sum of positive squares in 2 ways, for example, as 217179169 + 58293225 = 14737^2 + 7635^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 275472394.

It is not an unprimeable number, because it can be changed into a prime (275472391) 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, 148467 + ... + 150310.

Almost surely, 2^275472394 is an apocalyptic number.

275472394 is a deficient number, since it is larger than the sum of its proper divisors (138633914).

275472394 is a wasteful number, since it uses less digits than its factorization.

275472394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299240.

The product of its digits is 423360, while the sum is 43.

The square root of 275472394 is about 16597.3610553003. The cubic root of 275472394 is about 650.6678689599.

The spelling of 275472394 in words is "two hundred seventy-five million, four hundred seventy-two thousand, three hundred ninety-four".