69920334 has 144 divisors (see below), whose sum is σ = 182997360. Its totient is φ = 19958400.

The previous prime is 69920321. The next prime is 69920377. The reversal of 69920334 is 43302996.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1705354 + ... + 1705394.

It is an arithmetic number, because the mean of its divisors is an integer number (1270815).

Almost surely, 2^69920334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69920334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91498680).

69920334 is an abundant number, since it is smaller than the sum of its proper divisors (113077026).

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

69920334 is a wasteful number, since it uses less digits than its factorization.

69920334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 69920334 is about 8361.8379558564. The cubic root of 69920334 is about 411.9721247675.

The spelling of 69920334 in words is "sixty-nine million, nine hundred twenty thousand, three hundred thirty-four".