69663330 has 72 divisors (see below), whose sum is σ = 199118556. Its totient is φ = 16885440.

The previous prime is 69663323. The next prime is 69663401. The reversal of 69663330 is 3336696.

It can be written as a sum of positive squares in 2 ways, for example, as 58110129 + 11553201 = 7623^2 + 3399^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7692 + ... + 14088.

Almost surely, 2^69663330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69663330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99559278).

69663330 is an abundant number, since it is smaller than the sum of its proper divisors (129455226).

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

69663330 is a wasteful number, since it uses less digits than its factorization.

69663330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6432 (or 6418 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 36.

The square root of 69663330 is about 8346.4561341925. The cubic root of 69663330 is about 411.4667473463.

It can be divided in two parts, 6966 and 3330, that added together give a triangular number (10296 = T₁₄₃).

The spelling of 69663330 in words is "sixty-nine million, six hundred sixty-three thousand, three hundred thirty".