66924910 has 32 divisors (see below), whose sum is σ = 130949280. Its totient is φ = 24478848.

The previous prime is 66924901. The next prime is 66924919. The reversal of 66924910 is 1942966.

It is an interprime number because it is at equal distance from previous prime (66924901) and next prime (66924919).

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 66924910.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66924919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11809 + ... + 16531.

It is an arithmetic number, because the mean of its divisors is an integer number (4092165).

Almost surely, 2^66924910 is an apocalyptic number.

66924910 is a deficient number, since it is larger than the sum of its proper divisors (64024370).

66924910 is a wasteful number, since it uses less digits than its factorization.

66924910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4852.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 66924910 is about 8180.7646341892. The cubic root of 66924910 is about 406.0030211622.

The spelling of 66924910 in words is "sixty-six million, nine hundred twenty-four thousand, nine hundred ten".