66829350 has 48 divisors (see below), whose sum is σ = 189416448. Its totient is φ = 15275040.

The previous prime is 66829349. The next prime is 66829361. The reversal of 66829350 is 5392866.

It is a junction number, because it is equal to n+sod(n) for n = 66829299 and 66829308.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 30774 + ... + 32873.

It is an arithmetic number, because the mean of its divisors is an integer number (3946176).

Almost surely, 2^66829350 is an apocalyptic number.

66829350 is an abundant number, since it is smaller than the sum of its proper divisors (122587098).

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

66829350 is a wasteful number, since it uses less digits than its factorization.

66829350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63669 (or 63664 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 66829350 is about 8174.9220179767. The cubic root of 66829350 is about 405.8096894150.

The spelling of 66829350 in words is "sixty-six million, eight hundred twenty-nine thousand, three hundred fifty".