69942080 has 224 divisors, whose sum is σ = 202777344. Its totient is φ = 22708224.

The previous prime is 69942073. The next prime is 69942083. The reversal of 69942080 is 8024996.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69942083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1626539 + ... + 1626581.

It is an arithmetic number, because the mean of its divisors is an integer number (905256).

Almost surely, 2^69942080 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 69942080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101388672).

69942080 is an abundant number, since it is smaller than the sum of its proper divisors (132835264).

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

69942080 is a wasteful number, since it uses less digits than its factorization.

69942080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 69942080 is about 8363.1381669801. The cubic root of 69942080 is about 412.0148296418.

The spelling of 69942080 in words is "sixty-nine million, nine hundred forty-two thousand, eighty".