274342146 has 32 divisors (see below), whose sum is σ = 611271360. Its totient is φ = 81501504.

The previous prime is 274342129. The next prime is 274342169. The reversal of 274342146 is 641243472.

It is a super-2 number, since 2×274342146² = 150527226143770632, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58380 + ... + 62903.

It is an arithmetic number, because the mean of its divisors is an integer number (19102230).

Almost surely, 2^274342146 is an apocalyptic number.

274342146 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

274342146 is an abundant number, since it is smaller than the sum of its proper divisors (336929214).

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

274342146 is a wasteful number, since it uses less digits than its factorization.

274342146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121330.

The product of its digits is 32256, while the sum is 33.

The square root of 274342146 is about 16563.2770308294. The cubic root of 274342146 is about 649.7767643665.

The spelling of 274342146 in words is "two hundred seventy-four million, three hundred forty-two thousand, one hundred forty-six".