356274274 has 4 divisors (see below), whose sum is σ = 534411414. Its totient is φ = 178137136.

The previous prime is 356274271. The next prime is 356274283. The reversal of 356274274 is 472472653.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 472472653 = 17 ⋅27792509.

It can be written as a sum of positive squares in only one way, i.e., 356265625 + 8649 = 18875^2 + 93^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (356274271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89068567 + ... + 89068570.

Almost surely, 2^356274274 is an apocalyptic number.

356274274 is a deficient number, since it is larger than the sum of its proper divisors (178137140).

356274274 is a wasteful number, since it uses less digits than its factorization.

356274274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178137139.

The product of its digits is 282240, while the sum is 40.

The square root of 356274274 is about 18875.2291111923. The cubic root of 356274274 is about 708.9160700441.

The spelling of 356274274 in words is "three hundred fifty-six million, two hundred seventy-four thousand, two hundred seventy-four".