340078427 has 12 divisors (see below), whose sum is σ = 372009456. Its totient is φ = 308987280.

The previous prime is 340078393. The next prime is 340078429. The reversal of 340078427 is 724870043.

It is not a de Polignac number, because 340078427 - 2⁶ = 340078363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340078429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 559958 + ... + 560564.

It is an arithmetic number, because the mean of its divisors is an integer number (31000788).

Almost surely, 2^340078427 is an apocalyptic number.

340078427 is a deficient number, since it is larger than the sum of its proper divisors (31931029).

340078427 is an frugal number, since it uses more digits than its factorization.

340078427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298 (or 691 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 340078427 is about 18441.2154425895. The cubic root of 340078427 is about 698.0068656396.

The spelling of 340078427 in words is "three hundred forty million, seventy-eight thousand, four hundred twenty-seven".