274664940 has 48 divisors (see below), whose sum is σ = 838978560. Its totient is φ = 66585280.

The previous prime is 274664933. The next prime is 274664941. The reversal of 274664940 is 49466472.

It is a junction number, because it is equal to n+sod(n) for n = 274664892 and 274664901.

It is not an unprimeable number, because it can be changed into a prime (274664941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207420 + ... + 208739.

It is an arithmetic number, because the mean of its divisors is an integer number (17478720).

Almost surely, 2^274664940 is an apocalyptic number.

274664940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

274664940 is an abundant number, since it is smaller than the sum of its proper divisors (564313620).

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

274664940 is a wasteful number, since it uses less digits than its factorization.

274664940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416182 (or 416180 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 274664940 is about 16573.0184335866. The cubic root of 274664940 is about 650.0315093207.

The spelling of 274664940 in words is "two hundred seventy-four million, six hundred sixty-four thousand, nine hundred forty".