274431356 has 6 divisors (see below), whose sum is σ = 480254880. Its totient is φ = 137215676.

The previous prime is 274431349. The next prime is 274431359. The reversal of 274431356 is 653134472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274431359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34303916 + ... + 34303923.

It is an arithmetic number, because the mean of its divisors is an integer number (80042480).

Almost surely, 2^274431356 is an apocalyptic number.

It is an amenable number.

274431356 is a deficient number, since it is larger than the sum of its proper divisors (205823524).

274431356 is a wasteful number, since it uses less digits than its factorization.

274431356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68607843 (or 68607841 counting only the distinct ones).

The product of its digits is 60480, while the sum is 35.

The square root of 274431356 is about 16565.9698176714. The cubic root of 274431356 is about 649.8471877459.

The spelling of 274431356 in words is "two hundred seventy-four million, four hundred thirty-one thousand, three hundred fifty-six".