274277428 has 6 divisors (see below), whose sum is σ = 479985506. Its totient is φ = 137138712.

The previous prime is 274277417. The next prime is 274277449. The reversal of 274277428 is 824772472.

It can be written as a sum of positive squares in only one way, i.e., 229280164 + 44997264 = 15142^2 + 6708^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34284675 + ... + 34284682.

Almost surely, 2^274277428 is an apocalyptic number.

It is an amenable number.

274277428 is a deficient number, since it is larger than the sum of its proper divisors (205708078).

274277428 is a wasteful number, since it uses less digits than its factorization.

274277428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68569361 (or 68569359 counting only the distinct ones).

The product of its digits is 351232, while the sum is 43.

The square root of 274277428 is about 16561.3232563102. The cubic root of 274277428 is about 649.7256656923.

The spelling of 274277428 in words is "two hundred seventy-four million, two hundred seventy-seven thousand, four hundred twenty-eight".