69424830720 has 648 divisors, whose sum is σ = 289122757560. Its totient is φ = 15317729280.

The previous prime is 69424830703. The next prime is 69424830731. The reversal of 69424830720 is 2703842496.

69424830720 is a `hidden beast` number, since 69 + 42 + 483 + 0 + 72 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 26446565376 + 42978265344 = 162624^2 + 207312^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

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 71 ways as a sum of consecutive naturals, for example, 16367800 + ... + 16372040.

It is an arithmetic number, because the mean of its divisors is an integer number (446177095).

Almost surely, 2^69424830720 is an apocalyptic number.

69424830720 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 69424830720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144561378780).

69424830720 is an abundant number, since it is smaller than the sum of its proper divisors (219697926840).

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

69424830720 is a wasteful number, since it uses less digits than its factorization.

69424830720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4311 (or 4287 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 69424830720 in words is "sixty-nine billion, four hundred twenty-four million, eight hundred thirty thousand, seven hundred twenty".