340530712 has 8 divisors (see below), whose sum is σ = 638495100. Its totient is φ = 170265352.

The previous prime is 340530703. The next prime is 340530719. The reversal of 340530712 is 217035043.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×340530712² = 231922331630453888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340530719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21283162 + ... + 21283177.

Almost surely, 2^340530712 is an apocalyptic number.

It is an amenable number.

340530712 is a deficient number, since it is larger than the sum of its proper divisors (297964388).

340530712 is a wasteful number, since it uses less digits than its factorization.

340530712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42566345 (or 42566341 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 340530712 is about 18453.4742528338. The cubic root of 340530712 is about 698.3161650639.

Adding to 340530712 its reverse (217035043), we get a palindrome (557565755).

The spelling of 340530712 in words is "three hundred forty million, five hundred thirty thousand, seven hundred twelve".