274535540 has 12 divisors (see below), whose sum is σ = 576524676. Its totient is φ = 109814208.

The previous prime is 274535539. The next prime is 274535587. The reversal of 274535540 is 45535472.

It can be written as a sum of positive squares in 2 ways, for example, as 155201764 + 119333776 = 12458^2 + 10924^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 274535540.

It is a congruent 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, 6863369 + ... + 6863408.

It is an arithmetic number, because the mean of its divisors is an integer number (48043723).

Almost surely, 2^274535540 is an apocalyptic number.

274535540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

274535540 is an abundant number, since it is smaller than the sum of its proper divisors (301989136).

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

274535540 is a wasteful number, since it uses less digits than its factorization.

274535540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13726786 (or 13726784 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 35.

The square root of 274535540 is about 16569.1140378718. The cubic root of 274535540 is about 649.9294124531.

The spelling of 274535540 in words is "two hundred seventy-four million, five hundred thirty-five thousand, five hundred forty".