73738730386 has 4 divisors (see below), whose sum is σ = 110608095582. Its totient is φ = 36869365192.

The previous prime is 73738730381. The next prime is 73738730419. The reversal of 73738730386 is 68303783737.

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

It can be written as a sum of positive squares in only one way, i.e., 59066011225 + 14672719161 = 243035^2 + 121131^2 .

It is not an unprimeable number, because it can be changed into a prime (73738730381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18434682595 + ... + 18434682598.

Almost surely, 2^73738730386 is an apocalyptic number.

73738730386 is a deficient number, since it is larger than the sum of its proper divisors (36869365196).

73738730386 is a wasteful number, since it uses less digits than its factorization.

73738730386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36869365195.

The product of its (nonzero) digits is 10668672, while the sum is 55.

The spelling of 73738730386 in words is "seventy-three billion, seven hundred thirty-eight million, seven hundred thirty thousand, three hundred eighty-six".