69970320 has 120 divisors (see below), whose sum is σ = 268572096. Its totient is φ = 15992064.

The previous prime is 69970289. The next prime is 69970321. The reversal of 69970320 is 2307996.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is not an unprimeable number, because it can be changed into a prime (69970321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1902 + ... + 11981.

Almost surely, 2^69970320 is an apocalyptic number.

69970320 is a gapful number since it is divisible by the number (60) 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 69970320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134286048).

69970320 is an abundant number, since it is smaller than the sum of its proper divisors (198601776).

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

69970320 is a wasteful number, since it uses less digits than its factorization.

69970320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13909 (or 13900 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 69970320 is about 8364.8263580304. The cubic root of 69970320 is about 412.0702742477.

The spelling of 69970320 in words is "sixty-nine million, nine hundred seventy thousand, three hundred twenty".