274729745 has 8 divisors (see below), whose sum is σ = 330081216. Its totient is φ = 219513456.

The previous prime is 274729727. The next prime is 274729753. The reversal of 274729745 is 547927472.

It is a happy number.

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 274729745 - 2⁸ = 274729489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 274729745.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29267 + ... + 37496.

It is an arithmetic number, because the mean of its divisors is an integer number (41260152).

Almost surely, 2^274729745 is an apocalyptic number.

It is an amenable number.

274729745 is a deficient number, since it is larger than the sum of its proper divisors (55351471).

274729745 is an equidigital number, since it uses as much as digits as its factorization.

274729745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67591.

The product of its digits is 987840, while the sum is 47.

The square root of 274729745 is about 16574.9734539757. The cubic root of 274729745 is about 650.0826285490.

The spelling of 274729745 in words is "two hundred seventy-four million, seven hundred twenty-nine thousand, seven hundred forty-five".