69720000 has 280 divisors, whose sum is σ = 266614656. Its totient is φ = 15744000.

The previous prime is 69719977. The next prime is 69720047. The reversal of 69720000 is 2796.

It is a tau number, because it is divible by the number of its divisors (280).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 839959 + ... + 840041.

Almost surely, 2^69720000 is an apocalyptic number.

69720000 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 69720000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133307328).

69720000 is an abundant number, since it is smaller than the sum of its proper divisors (196894656).

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

69720000 is an equidigital number, since it uses as much as digits as its factorization.

69720000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 69720000 is about 8349.8502980592. The cubic root of 69720000 is about 411.5782909688.

Adding to 69720000 its reverse (2796), we get a palindrome (69722796).

The spelling of 69720000 in words is "sixty-nine million, seven hundred twenty thousand".