69945336 has 64 divisors (see below), whose sum is σ = 196800000. Its totient is φ = 23014368.

The previous prime is 69945313. The next prime is 69945341. The reversal of 69945336 is 63354996.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 69945291 and 69945300.

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, 15015 + ... + 19113.

It is an arithmetic number, because the mean of its divisors is an integer number (3075000).

Almost surely, 2^69945336 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 69945336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98400000).

69945336 is an abundant number, since it is smaller than the sum of its proper divisors (126854664).

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

69945336 is a wasteful number, since it uses less digits than its factorization.

69945336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4193 (or 4183 counting only the distinct ones).

The product of its digits is 524880, while the sum is 45.

The square root of 69945336 is about 8363.3328284841. The cubic root of 69945336 is about 412.0212230246.

The spelling of 69945336 in words is "sixty-nine million, nine hundred forty-five thousand, three hundred thirty-six".