274634140 has 24 divisors (see below), whose sum is σ = 629162352. Its totient is φ = 99866880.

The previous prime is 274634137. The next prime is 274634141. The reversal of 274634140 is 41436472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274634141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 623949 + ... + 624388.

It is an arithmetic number, because the mean of its divisors is an integer number (26215098).

Almost surely, 2^274634140 is an apocalyptic number.

274634140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

274634140 is an abundant number, since it is smaller than the sum of its proper divisors (354528212).

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

274634140 is a wasteful number, since it uses less digits than its factorization.

274634140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248357 (or 1248355 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 274634140 is about 16572.0891863398. The cubic root of 274634140 is about 650.0072109654.

The spelling of 274634140 in words is "two hundred seventy-four million, six hundred thirty-four thousand, one hundred forty".