8364720738 has 16 divisors (see below), whose sum is σ = 18250299936. Its totient is φ = 2534763840.

The previous prime is 8364720719. The next prime is 8364720757. The reversal of 8364720738 is 8370274638.

It is an interprime number because it is at equal distance from previous prime (8364720719) and next prime (8364720757).

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, 63369031 + ... + 63369162.

It is an arithmetic number, because the mean of its divisors is an integer number (1140643746).

Almost surely, 2^8364720738 is an apocalyptic number.

8364720738 is an abundant number, since it is smaller than the sum of its proper divisors (9885579198).

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

8364720738 is a wasteful number, since it uses less digits than its factorization.

8364720738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126738209.

The product of its (nonzero) digits is 1354752, while the sum is 48.

The square root of 8364720738 is about 91458.8472374324. The cubic root of 8364720738 is about 2029.9428699332.

The spelling of 8364720738 in words is "eight billion, three hundred sixty-four million, seven hundred twenty thousand, seven hundred thirty-eight".