69396864 has 64 divisors (see below), whose sum is σ = 185917440. Its totient is φ = 22934016.

The previous prime is 69396841. The next prime is 69396871. The reversal of 69396864 is 46869396.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48057 + ... + 49479.

It is an arithmetic number, because the mean of its divisors is an integer number (2904960).

Almost surely, 2^69396864 is an apocalyptic number.

69396864 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69396864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92958720).

69396864 is an abundant number, since it is smaller than the sum of its proper divisors (116520576).

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

69396864 is a wasteful number, since it uses less digits than its factorization.

69396864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567 (or 1555 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 51.

The square root of 69396864 is about 8330.4780174970. The cubic root of 69396864 is about 410.9414495006.

The spelling of 69396864 in words is "sixty-nine million, three hundred ninety-six thousand, eight hundred sixty-four".