69974016 has 96 divisors (see below), whose sum is σ = 213333120. Its totient is φ = 19980288.

The previous prime is 69973991. The next prime is 69974039. The reversal of 69974016 is 61047996.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42195 + ... + 43821.

It is an arithmetic number, because the mean of its divisors is an integer number (2222220).

Almost surely, 2^69974016 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 69974016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106666560).

69974016 is an abundant number, since it is smaller than the sum of its proper divisors (143359104).

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

69974016 is a wasteful number, since it uses less digits than its factorization.

69974016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659 (or 1639 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 69974016 is about 8365.0472802011. The cubic root of 69974016 is about 412.0775296331.

The spelling of 69974016 in words is "sixty-nine million, nine hundred seventy-four thousand, sixteen".