69136080 has 80 divisors (see below), whose sum is σ = 230818560. Its totient is φ = 17017344.

The previous prime is 69136073. The next prime is 69136097. The reversal of 69136080 is 8063196.

It is a tau number, because it is divible by the number of its divisors (80).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

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, 7960 + ... + 14199.

It is an arithmetic number, because the mean of its divisors is an integer number (2885232).

Almost surely, 2^69136080 is an apocalyptic number.

69136080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

69136080 is an abundant number, since it is smaller than the sum of its proper divisors (161682480).

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

69136080 is a wasteful number, since it uses less digits than its factorization.

69136080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22188 (or 22182 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 69136080 is about 8314.8108817940. The cubic root of 69136080 is about 410.4260492872.

The spelling of 69136080 in words is "sixty-nine million, one hundred thirty-six thousand, eighty".