274540028 has 12 divisors (see below), whose sum is σ = 549080112. Its totient is φ = 117660000.

The previous prime is 274540027. The next prime is 274540051. The reversal of 274540028 is 820045472.

274540028 is an admirable number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 274539976 and 274540003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274540027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4902473 + ... + 4902528.

It is an arithmetic number, because the mean of its divisors is an integer number (45756676).

Almost surely, 2^274540028 is an apocalyptic number.

274540028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

274540028 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

274540028 is a wasteful number, since it uses less digits than its factorization.

274540028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9805012 (or 9805010 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 274540028 is about 16569.2494700273. The cubic root of 274540028 is about 649.9329540313.

The spelling of 274540028 in words is "two hundred seventy-four million, five hundred forty thousand, twenty-eight".