247495274 has 8 divisors (see below), whose sum is σ = 399800100. Its totient is φ = 114228576.

The previous prime is 247495247. The next prime is 247495399. The reversal of 247495274 is 472594742.

247495274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 224790049 + 22705225 = 14993^2 + 4765^2 .

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

It is a super-2 number, since 2×247495274² = 122507821304670152, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4759499 + ... + 4759550.

Almost surely, 2^247495274 is an apocalyptic number.

247495274 is a deficient number, since it is larger than the sum of its proper divisors (152304826).

247495274 is a wasteful number, since it uses less digits than its factorization.

247495274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9519064.

The product of its digits is 564480, while the sum is 44.

The square root of 247495274 is about 15731.9825196953. The cubic root of 247495274 is about 627.8496215188.

The spelling of 247495274 in words is "two hundred forty-seven million, four hundred ninety-five thousand, two hundred seventy-four".