274777940 has 12 divisors (see below), whose sum is σ = 577033716. Its totient is φ = 109911168.

The previous prime is 274777939. The next prime is 274777949. The reversal of 274777940 is 49777472.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 78889924 + 195888016 = 8882^2 + 13996^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274777949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6869429 + ... + 6869468.

It is an arithmetic number, because the mean of its divisors is an integer number (48086143).

Almost surely, 2^274777940 is an apocalyptic number.

274777940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

274777940 is an abundant number, since it is smaller than the sum of its proper divisors (302255776).

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

274777940 is a wasteful number, since it uses less digits than its factorization.

274777940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13738906 (or 13738904 counting only the distinct ones).

The product of its (nonzero) digits is 691488, while the sum is 47.

The square root of 274777940 is about 16576.4272387026. The cubic root of 274777940 is about 650.1206403296.

The spelling of 274777940 in words is "two hundred seventy-four million, seven hundred seventy-seven thousand, nine hundred forty".