69127980 has 48 divisors (see below), whose sum is σ = 194745600. Its totient is φ = 18321088.

The previous prime is 69127979. The next prime is 69128011. The reversal of 69127980 is 8972196.

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, 6571 + ... + 13469.

It is an arithmetic number, because the mean of its divisors is an integer number (4057200).

Almost surely, 2^69127980 is an apocalyptic number.

69127980 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 69127980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97372800).

69127980 is an abundant number, since it is smaller than the sum of its proper divisors (125617620).

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

69127980 is a wasteful number, since it uses less digits than its factorization.

69127980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7078 (or 7076 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 69127980 is about 8314.3237848907. The cubic root of 69127980 is about 410.4100201225.

It can be divided in two parts, 69127 and 980, that added together give a palindrome (70107).

The spelling of 69127980 in words is "sixty-nine million, one hundred twenty-seven thousand, nine hundred eighty".