4197789730 has 16 divisors (see below), whose sum is σ = 7816574520. Its totient is φ = 1621215232.

The previous prime is 4197789721. The next prime is 4197789769. The reversal of 4197789730 is 379877914.

It can be written as a sum of positive squares in 4 ways, for example, as 2816106489 + 1381683241 = 53067^2 + 37171^2 .

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, 7237279 + ... + 7237858.

Almost surely, 2^4197789730 is an apocalyptic number.

4197789730 is a deficient number, since it is larger than the sum of its proper divisors (3618784790).

4197789730 is a wasteful number, since it uses less digits than its factorization.

4197789730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14475173.

The product of its (nonzero) digits is 2667168, while the sum is 55.

The square root of 4197789730 is about 64790.3521367186. The cubic root of 4197789730 is about 1613.1455715263.

The spelling of 4197789730 in words is "four billion, one hundred ninety-seven million, seven hundred eighty-nine thousand, seven hundred thirty".