274720243 has 16 divisors (see below), whose sum is σ = 319999680. Its totient is φ = 230985216.

The previous prime is 274720207. The next prime is 274720267. The reversal of 274720243 is 342027472.

It is not a de Polignac number, because 274720243 - 2¹⁷ = 274589171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (274720273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99303 + ... + 102031.

It is an arithmetic number, because the mean of its divisors is an integer number (19999980).

Almost surely, 2^274720243 is an apocalyptic number.

274720243 is a deficient number, since it is larger than the sum of its proper divisors (45279437).

274720243 is a wasteful number, since it uses less digits than its factorization.

274720243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3006.

The product of its (nonzero) digits is 18816, while the sum is 31.

The square root of 274720243 is about 16574.6868145374. The cubic root of 274720243 is about 650.0751337212.

The spelling of 274720243 in words is "two hundred seventy-four million, seven hundred twenty thousand, two hundred forty-three".