274995893 has 8 divisors (see below), whose sum is σ = 301213080. Its totient is φ = 249894400.

The previous prime is 274995883. The next prime is 274995899. The reversal of 274995893 is 398599472.

It can be written as a sum of positive squares in 4 ways, for example, as 144168049 + 130827844 = 12007^2 + 11438^2 .

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 274995893 - 2²² = 270801589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274995899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278408 + ... + 279393.

It is an arithmetic number, because the mean of its divisors is an integer number (37651635).

Almost surely, 2^274995893 is an apocalyptic number.

It is an amenable number.

274995893 is a deficient number, since it is larger than the sum of its proper divisors (26217187).

274995893 is a wasteful number, since it uses less digits than its factorization.

274995893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557847.

The product of its digits is 4898880, while the sum is 56.

The square root of 274995893 is about 16583.0001206054. Note that the first 3 decimals coincide. The cubic root of 274995893 is about 650.2924861192.

The spelling of 274995893 in words is "two hundred seventy-four million, nine hundred ninety-five thousand, eight hundred ninety-three".