274323156 has 12 divisors (see below), whose sum is σ = 640087392. Its totient is φ = 91441048.

The previous prime is 274323109. The next prime is 274323157. The reversal of 274323156 is 651323472.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274323157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11430120 + ... + 11430143.

It is an arithmetic number, because the mean of its divisors is an integer number (53340616).

Almost surely, 2^274323156 is an apocalyptic number.

It is an amenable number.

274323156 is an abundant number, since it is smaller than the sum of its proper divisors (365764236).

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

274323156 is a wasteful number, since it uses less digits than its factorization.

274323156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22860270 (or 22860268 counting only the distinct ones).

The product of its digits is 30240, while the sum is 33.

The square root of 274323156 is about 16562.7037647843. The cubic root of 274323156 is about 649.7617714757.

The spelling of 274323156 in words is "two hundred seventy-four million, three hundred twenty-three thousand, one hundred fifty-six".