69648384 has 120 divisors (see below), whose sum is σ = 201844720. Its totient is φ = 21233664.

The previous prime is 69648361. The next prime is 69648389. The reversal of 69648384 is 48384696.

It is a super-2 number, since 2×69648384² = 9701794787622912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (69648389) 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, 638922 + ... + 639030.

Almost surely, 2^69648384 is an apocalyptic number.

69648384 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 69648384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100922360).

69648384 is an abundant number, since it is smaller than the sum of its proper divisors (132196336).

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

69648384 is a wasteful number, since it uses less digits than its factorization.

69648384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 127 counting only the distinct ones).

The product of its digits is 995328, while the sum is 48.

The square root of 69648384 is about 8345.5607361040. The cubic root of 69648384 is about 411.4373190380.

The spelling of 69648384 in words is "sixty-nine million, six hundred forty-eight thousand, three hundred eighty-four".