69678080 has 88 divisors (see below), whose sum is σ = 172930560. Its totient is φ = 26910720.

The previous prime is 69678071. The next prime is 69678083. The reversal of 69678080 is 8087696.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69678083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158501 + ... + 158939.

It is an arithmetic number, because the mean of its divisors is an integer number (1965120).

Almost surely, 2^69678080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69678080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86465280).

69678080 is an abundant number, since it is smaller than the sum of its proper divisors (103252480).

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

69678080 is a wasteful number, since it uses less digits than its factorization.

69678080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 69678080 is about 8347.3396959750. The cubic root of 69678080 is about 411.4957856090.

The spelling of 69678080 in words is "sixty-nine million, six hundred seventy-eight thousand, eighty".