69250720 has 216 divisors, whose sum is σ = 212055732. Its totient is φ = 21288960.

The previous prime is 69250703. The next prime is 69250729. The reversal of 69250720 is 2705296.

It can be written as a sum of positive squares in 2 ways, for example, as 69155856 + 94864 = 8316^2 + 308^2 .

It is not an unprimeable number, because it can be changed into a prime (69250729) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 948604 + ... + 948676.

Almost surely, 2^69250720 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 69250720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106027866).

69250720 is an abundant number, since it is smaller than the sum of its proper divisors (142805012).

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

69250720 is a wasteful number, since it uses less digits than its factorization.

69250720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 69250720 is about 8321.7017490415. The cubic root of 69250720 is about 410.6527773080.

The spelling of 69250720 in words is "sixty-nine million, two hundred fifty thousand, seven hundred twenty".