69109980 has 48 divisors (see below), whose sum is σ = 196245504. Its totient is φ = 18168640.

The previous prime is 69109979. The next prime is 69109991. The reversal of 69109980 is 8990196.

It is a congruent number.

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, 3852 + ... + 12371.

It is an arithmetic number, because the mean of its divisors is an integer number (4088448).

Almost surely, 2^69109980 is an apocalyptic number.

69109980 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

69109980 is an abundant number, since it is smaller than the sum of its proper divisors (127135524).

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

69109980 is a wasteful number, since it uses less digits than its factorization.

69109980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16306 (or 16304 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 42.

The square root of 69109980 is about 8313.2412451462. The cubic root of 69109980 is about 410.3743952730.

The spelling of 69109980 in words is "sixty-nine million, one hundred nine thousand, nine hundred eighty".