274912645 has 16 divisors (see below), whose sum is σ = 377693568. Its totient is φ = 188176320.

The previous prime is 274912633. The next prime is 274912657. The reversal of 274912645 is 546219472.

It is an interprime number because it is at equal distance from previous prime (274912633) and next prime (274912657).

It is not a de Polignac number, because 274912645 - 2²¹ = 272815493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 274912598 and 274912607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13855 + ... + 27235.

It is an arithmetic number, because the mean of its divisors is an integer number (23605848).

Almost surely, 2^274912645 is an apocalyptic number.

It is an amenable number.

274912645 is a deficient number, since it is larger than the sum of its proper divisors (102780923).

274912645 is a wasteful number, since it uses less digits than its factorization.

274912645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13980.

The product of its digits is 120960, while the sum is 40.

The square root of 274912645 is about 16580.4898902294. The cubic root of 274912645 is about 650.2268596694.

The spelling of 274912645 in words is "two hundred seventy-four million, nine hundred twelve thousand, six hundred forty-five".