69326240 has 96 divisors (see below), whose sum is σ = 172730880. Its totient is φ = 26256384.

The previous prime is 69326237. The next prime is 69326249. The reversal of 69326240 is 4262396.

It is a super-2 number, since 2×69326240² = 9612255105075200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 69326197 and 69326206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69326249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310769 + ... + 310991.

It is an arithmetic number, because the mean of its divisors is an integer number (1799280).

Almost surely, 2^69326240 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 69326240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86365440).

69326240 is an abundant number, since it is smaller than the sum of its proper divisors (103404640).

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

69326240 is a wasteful number, since it uses less digits than its factorization.

69326240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 69326240 is about 8326.2380460806. The cubic root of 69326240 is about 410.8019994928.

The spelling of 69326240 in words is "sixty-nine million, three hundred twenty-six thousand, two hundred forty".