69941916 has 72 divisors (see below), whose sum is σ = 193939200. Its totient is φ = 21077280.

The previous prime is 69941909. The next prime is 69941953. The reversal of 69941916 is 61914996.

It is a super-2 number, since 2×69941916² = 9783743227502112, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

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 23 ways as a sum of consecutive naturals, for example, 94275 + ... + 95013.

It is an arithmetic number, because the mean of its divisors is an integer number (2693600).

Almost surely, 2^69941916 is an apocalyptic number.

69941916 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69941916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96969600).

69941916 is an abundant number, since it is smaller than the sum of its proper divisors (123997284).

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

69941916 is a wasteful number, since it uses less digits than its factorization.

69941916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999 (or 994 counting only the distinct ones).

The product of its digits is 104976, while the sum is 45.

The square root of 69941916 is about 8363.1283620425. The cubic root of 69941916 is about 412.0145076112.

The spelling of 69941916 in words is "sixty-nine million, nine hundred forty-one thousand, nine hundred sixteen".