4342640730 has 16 divisors (see below), whose sum is σ = 10422337824. Its totient is φ = 1158037520.

The previous prime is 4342640713. The next prime is 4342640767. The reversal of 4342640730 is 370462434.

It is a junction number, because it is equal to n+sod(n) for n = 4342640691 and 4342640700.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72377316 + ... + 72377375.

It is an arithmetic number, because the mean of its divisors is an integer number (651396114).

Almost surely, 2^4342640730 is an apocalyptic number.

4342640730 is an abundant number, since it is smaller than the sum of its proper divisors (6079697094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4342640730 is a wasteful number, since it uses less digits than its factorization.

4342640730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144754701.

The product of its (nonzero) digits is 48384, while the sum is 33.

The square root of 4342640730 is about 65898.7156930998. The cubic root of 4342640730 is about 1631.4908174292.

The spelling of 4342640730 in words is "four billion, three hundred forty-two million, six hundred forty thousand, seven hundred thirty".