69229980 has 36 divisors (see below), whose sum is σ = 209998152. Its totient is φ = 18461280.

The previous prime is 69229973. The next prime is 69229981. The reversal of 69229980 is 8992296.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69229981) 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 11 ways as a sum of consecutive naturals, for example, 192126 + ... + 192485.

It is an arithmetic number, because the mean of its divisors is an integer number (5833282).

Almost surely, 2^69229980 is an apocalyptic number.

69229980 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

69229980 is an abundant number, since it is smaller than the sum of its proper divisors (140768172).

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

69229980 is a wasteful number, since it uses less digits than its factorization.

69229980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384626 (or 384621 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 69229980 is about 8320.4555163765. The cubic root of 69229980 is about 410.6117775466.

The spelling of 69229980 in words is "sixty-nine million, two hundred twenty-nine thousand, nine hundred eighty".