69329980 has 12 divisors (see below), whose sum is σ = 145593000. Its totient is φ = 27731984.

The previous prime is 69329969. The next prime is 69329987. The reversal of 69329980 is 8992396.

It is a happy number.

It is a super-2 number, since 2×69329980² = 9613292253600800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 69329980.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69329987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1733230 + ... + 1733269.

It is an arithmetic number, because the mean of its divisors is an integer number (12132750).

Almost surely, 2^69329980 is an apocalyptic number.

It is an amenable number.

69329980 is an abundant number, since it is smaller than the sum of its proper divisors (76263020).

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

69329980 is a wasteful number, since it uses less digits than its factorization.

69329980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3466508 (or 3466506 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 69329980 is about 8326.4626342763. The cubic root of 69329980 is about 410.8093866517.

The spelling of 69329980 in words is "sixty-nine million, three hundred twenty-nine thousand, nine hundred eighty".