69305412 has 72 divisors (see below), whose sum is σ = 180986400. Its totient is φ = 20620160.

The previous prime is 69305387. The next prime is 69305437. The reversal of 69305412 is 21450396.

It is an interprime number because it is at equal distance from previous prime (69305387) and next prime (69305437).

It is a self number, because there is not a number n which added to its sum of digits gives 69305412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85264 + ... + 86072.

It is an arithmetic number, because the mean of its divisors is an integer number (2513700).

Almost surely, 2^69305412 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 69305412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90493200).

69305412 is an abundant number, since it is smaller than the sum of its proper divisors (111680988).

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

69305412 is a wasteful number, since it uses less digits than its factorization.

69305412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897 (or 884 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 69305412 is about 8324.9872071974. The cubic root of 69305412 is about 410.7608556631.

The spelling of 69305412 in words is "sixty-nine million, three hundred five thousand, four hundred twelve".