69713328 has 80 divisors (see below), whose sum is σ = 195924960. Its totient is φ = 21270528.

The previous prime is 69713317. The next prime is 69713333. The reversal of 69713328 is 82331796.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29038 + ... + 31346.

It is an arithmetic number, because the mean of its divisors is an integer number (2449062).

Almost surely, 2^69713328 is an apocalyptic number.

69713328 is a gapful number since it is divisible by the number (68) 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 69713328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97962480).

69713328 is an abundant number, since it is smaller than the sum of its proper divisors (126211632).

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

69713328 is a wasteful number, since it uses less digits than its factorization.

69713328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2374 (or 2368 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 69713328 is about 8349.4507603794. The cubic root of 69713328 is about 411.5651616039.

The spelling of 69713328 in words is "sixty-nine million, seven hundred thirteen thousand, three hundred twenty-eight".