274991045 has 8 divisors (see below), whose sum is σ = 377130624. Its totient is φ = 188565264.

The previous prime is 274991039. The next prime is 274991053. The reversal of 274991045 is 540199472.

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

It is a cyclic number.

It is not a de Polignac number, because 274991045 - 2⁴ = 274991029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 274990993 and 274991011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3928409 + ... + 3928478.

It is an arithmetic number, because the mean of its divisors is an integer number (47141328).

Almost surely, 2^274991045 is an apocalyptic number.

It is an amenable number.

274991045 is a deficient number, since it is larger than the sum of its proper divisors (102139579).

274991045 is an equidigital number, since it uses as much as digits as its factorization.

274991045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7856899.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 274991045 is about 16582.8539461698. The cubic root of 274991045 is about 650.2886646846.

The spelling of 274991045 in words is "two hundred seventy-four million, nine hundred ninety-one thousand, forty-five".