69378220 has 12 divisors (see below), whose sum is σ = 145694304. Its totient is φ = 27751280.

The previous prime is 69378209. The next prime is 69378223. The reversal of 69378220 is 2287396.

It is a self number, because there is not a number n which added to its sum of digits gives 69378220.

It is not an unprimeable number, because it can be changed into a prime (69378223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1734436 + ... + 1734475.

It is an arithmetic number, because the mean of its divisors is an integer number (12141192).

Almost surely, 2^69378220 is an apocalyptic number.

It is an amenable number.

69378220 is an abundant number, since it is smaller than the sum of its proper divisors (76316084).

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

69378220 is a wasteful number, since it uses less digits than its factorization.

69378220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3468920 (or 3468918 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 69378220 is about 8329.3589189085. The cubic root of 69378220 is about 410.9046453466.

The spelling of 69378220 in words is "sixty-nine million, three hundred seventy-eight thousand, two hundred twenty".