66300738 has 32 divisors (see below), whose sum is σ = 154773504. Its totient is φ = 18539472.

The previous prime is 66300737. The next prime is 66300749. The reversal of 66300738 is 83700366.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 66300699 and 66300708.

It is not an unprimeable number, because it can be changed into a prime (66300733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14820 + ... + 18767.

It is an arithmetic number, because the mean of its divisors is an integer number (4836672).

Almost surely, 2^66300738 is an apocalyptic number.

66300738 is an abundant number, since it is smaller than the sum of its proper divisors (88472766).

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

66300738 is a wasteful number, since it uses less digits than its factorization.

66300738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33646.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 66300738 is about 8142.5265120846. The cubic root of 66300738 is about 404.7368874784.

The spelling of 66300738 in words is "sixty-six million, three hundred thousand, seven hundred thirty-eight".