69097920 has 112 divisors (see below), whose sum is σ = 221211648. Its totient is φ = 18273280.

The previous prime is 69097913. The next prime is 69097921. The reversal of 69097920 is 2979096.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69097921) 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 15 ways as a sum of consecutive naturals, for example, 160105 + ... + 160535.

It is an arithmetic number, because the mean of its divisors is an integer number (1975104).

Almost surely, 2^69097920 is an apocalyptic number.

69097920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69097920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110605824).

69097920 is an abundant number, since it is smaller than the sum of its proper divisors (152113728).

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

69097920 is a wasteful number, since it uses less digits than its factorization.

69097920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618 (or 608 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 42.

The square root of 69097920 is about 8312.5158646465. The cubic root of 69097920 is about 410.3505231631.

The spelling of 69097920 in words is "sixty-nine million, ninety-seven thousand, nine hundred twenty".