6340074679 has 4 divisors (see below), whose sum is σ = 6673762840. Its totient is φ = 6006386520.

The previous prime is 6340074677. The next prime is 6340074721. The reversal of 6340074679 is 9764700436.

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

It is a cyclic number.

It is not a de Polignac number, because 6340074679 - 2¹ = 6340074677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6340074677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166844052 + ... + 166844089.

It is an arithmetic number, because the mean of its divisors is an integer number (1668440710).

Almost surely, 2^6340074679 is an apocalyptic number.

6340074679 is a deficient number, since it is larger than the sum of its proper divisors (333688161).

6340074679 is a wasteful number, since it uses less digits than its factorization.

6340074679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333688160.

The product of its (nonzero) digits is 762048, while the sum is 46.

The square root of 6340074679 is about 79624.5858953125. The cubic root of 6340074679 is about 1850.8225880720.

The spelling of 6340074679 in words is "six billion, three hundred forty million, seventy-four thousand, six hundred seventy-nine".