69800920 has 64 divisors (see below), whose sum is σ = 181569600. Its totient is φ = 23654400.

The previous prime is 69800917. The next prime is 69800957. The reversal of 69800920 is 2900896.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 23520 + ... + 26320.

It is an arithmetic number, because the mean of its divisors is an integer number (2837025).

Almost surely, 2^69800920 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 69800920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90784800).

69800920 is an abundant number, since it is smaller than the sum of its proper divisors (111768680).

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

69800920 is a wasteful number, since it uses less digits than its factorization.

69800920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2908 (or 2904 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 69800920 is about 8354.6944887291. The cubic root of 69800920 is about 411.7374611666.

The spelling of 69800920 in words is "sixty-nine million, eight hundred thousand, nine hundred twenty".