340739722 has 4 divisors (see below), whose sum is σ = 511109586. Its totient is φ = 170369860.

The previous prime is 340739699. The next prime is 340739723. The reversal of 340739722 is 227937043.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 340734681 + 5041 = 18459^2 + 71^2 .

It is a super-2 number, since 2×340739722² = 232207116297274568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (340739723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85184929 + ... + 85184932.

Almost surely, 2^340739722 is an apocalyptic number.

340739722 is a deficient number, since it is larger than the sum of its proper divisors (170369864).

340739722 is a wasteful number, since it uses less digits than its factorization.

340739722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170369863.

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 340739722 is about 18459.1365453534. The cubic root of 340739722 is about 698.4590060328.

The spelling of 340739722 in words is "three hundred forty million, seven hundred thirty-nine thousand, seven hundred twenty-two".