69330816 has 112 divisors (see below), whose sum is σ = 207363960. Its totient is φ = 23079168.

The previous prime is 69330803. The next prime is 69330823. The reversal of 69330816 is 61803396.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 92941 + ... + 93683.

Almost surely, 2^69330816 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 69330816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103681980).

69330816 is an abundant number, since it is smaller than the sum of its proper divisors (138033144).

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

69330816 is an frugal number, since it uses more digits than its factorization.

69330816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775 (or 748 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 69330816 is about 8326.5128355152. The cubic root of 69330816 is about 410.8110378627.

The spelling of 69330816 in words is "sixty-nine million, three hundred thirty thousand, eight hundred sixteen".