69315312 has 120 divisors (see below), whose sum is σ = 202808448. Its totient is φ = 20227200.

The previous prime is 69315283. The next prime is 69315317. The reversal of 69315312 is 21351396.

It is a super-2 number, since 2×69315312² = 9609224955314688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 69315312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69315317) 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 23 ways as a sum of consecutive naturals, for example, 976237 + ... + 976307.

Almost surely, 2^69315312 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 69315312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101404224).

69315312 is an abundant number, since it is smaller than the sum of its proper divisors (133493136).

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

69315312 is a wasteful number, since it uses less digits than its factorization.

69315312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 130 counting only the distinct ones).

The product of its digits is 4860, while the sum is 30.

The square root of 69315312 is about 8325.5817814733. The cubic root of 69315312 is about 410.7804132452.

The spelling of 69315312 in words is "sixty-nine million, three hundred fifteen thousand, three hundred twelve".