69220872 has 128 divisors (see below), whose sum is σ = 232761600. Its totient is φ = 18607104.

The previous prime is 69220867. The next prime is 69220873. The reversal of 69220872 is 27802296.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (69220873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24358 + ... + 27050.

It is an arithmetic number, because the mean of its divisors is an integer number (1818450).

Almost surely, 2^69220872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69220872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116380800).

69220872 is an abundant number, since it is smaller than the sum of its proper divisors (163540728).

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

69220872 is a wasteful number, since it uses less digits than its factorization.

69220872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2732 (or 2722 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 69220872 is about 8319.9081725702. The cubic root of 69220872 is about 410.5937698565.

The spelling of 69220872 in words is "sixty-nine million, two hundred twenty thousand, eight hundred seventy-two".