69315828 has 24 divisors (see below), whose sum is σ = 165499488. Its totient is φ = 22567776.

The previous prime is 69315823. The next prime is 69315839. The reversal of 69315828 is 82851396.

It is a super-2 number, since 2×69315828² = 9609368022651168, 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 69315828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69315823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66651 + ... + 67682.

It is an arithmetic number, because the mean of its divisors is an integer number (6895812).

Almost surely, 2^69315828 is an apocalyptic number.

It is an amenable number.

69315828 is an abundant number, since it is smaller than the sum of its proper divisors (96183660).

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

69315828 is a wasteful number, since it uses less digits than its factorization.

69315828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134383 (or 134381 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 69315828 is about 8325.6127702410. The cubic root of 69315828 is about 410.7814325590.

The spelling of 69315828 in words is "sixty-nine million, three hundred fifteen thousand, eight hundred twenty-eight".