69613980 has 96 divisors (see below), whose sum is σ = 208293120. Its totient is φ = 17310720.

The previous prime is 69613979. The next prime is 69613991. The reversal of 69613980 is 8931696.

It is a super-3 number, since 3×69613980³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141535 + ... + 142025.

It is an arithmetic number, because the mean of its divisors is an integer number (2169720).

Almost surely, 2^69613980 is an apocalyptic number.

69613980 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 69613980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104146560).

69613980 is an abundant number, since it is smaller than the sum of its proper divisors (138679140).

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

69613980 is a wasteful number, since it uses less digits than its factorization.

69613980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659 (or 657 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 69613980 is about 8343.4992658956. The cubic root of 69613980 is about 411.3695624007.

The spelling of 69613980 in words is "sixty-nine million, six hundred thirteen thousand, nine hundred eighty".