345637274 has 8 divisors (see below), whose sum is σ = 528238260. Its totient is φ = 169557856.

The previous prime is 345637249. The next prime is 345637277. The reversal of 345637274 is 472736543.

345637274 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 272415025 + 73222249 = 16505^2 + 8557^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (345637277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1630259 + ... + 1630470.

Almost surely, 2^345637274 is an apocalyptic number.

345637274 is a deficient number, since it is larger than the sum of its proper divisors (182600986).

345637274 is a wasteful number, since it uses less digits than its factorization.

345637274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3260784.

The product of its digits is 423360, while the sum is 41.

The square root of 345637274 is about 18591.3225457470. The cubic root of 345637274 is about 701.7894853931.

The spelling of 345637274 in words is "three hundred forty-five million, six hundred thirty-seven thousand, two hundred seventy-four".