69414920 has 64 divisors (see below), whose sum is σ = 164229120. Its totient is φ = 26354944.

The previous prime is 69414913. The next prime is 69414937. The reversal of 69414920 is 2941496.

It is a super-2 number, since 2×69414920² = 9636862237212800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181049 + ... + 181431.

It is an arithmetic number, because the mean of its divisors is an integer number (2566080).

Almost surely, 2^69414920 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 69414920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82114560).

69414920 is an abundant number, since it is smaller than the sum of its proper divisors (94814200).

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

69414920 is a wasteful number, since it uses less digits than its factorization.

69414920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 69414920 is about 8331.5616783410. The cubic root of 69414920 is about 410.9770866315.

The spelling of 69414920 in words is "sixty-nine million, four hundred fourteen thousand, nine hundred twenty".