8243132738 has 16 divisors (see below), whose sum is σ = 12695719680. Its totient is φ = 4011693600.

The previous prime is 8243132699. The next prime is 8243132743. The reversal of 8243132738 is 8372313428.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a junction number, because it is equal to n+sod(n) for n = 8243132695 and 8243132704.

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, 81278 + ... + 151961.

It is an arithmetic number, because the mean of its divisors is an integer number (793482480).

Almost surely, 2^8243132738 is an apocalyptic number.

8243132738 is a deficient number, since it is larger than the sum of its proper divisors (4452586942).

8243132738 is a wasteful number, since it uses less digits than its factorization.

8243132738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233713.

The product of its digits is 193536, while the sum is 41.

The square root of 8243132738 is about 90791.6997197431. The cubic root of 8243132738 is about 2020.0592030814.

The spelling of 8243132738 in words is "eight billion, two hundred forty-three million, one hundred thirty-two thousand, seven hundred thirty-eight".