70384896 has 144 divisors (see below), whose sum is σ = 220752000. Its totient is φ = 22044672.

The previous prime is 70384891. The next prime is 70384961. The reversal of 70384896 is 69848307.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70384891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117205 + ... + 117803.

It is an arithmetic number, because the mean of its divisors is an integer number (1533000).

Almost surely, 2^70384896 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 70384896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110376000).

70384896 is an abundant number, since it is smaller than the sum of its proper divisors (150367104).

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

70384896 is a wasteful number, since it uses less digits than its factorization.

70384896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641 (or 621 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 70384896 is about 8389.5706683954. The cubic root of 70384896 is about 412.8825146029.

The spelling of 70384896 in words is "seventy million, three hundred eighty-four thousand, eight hundred ninety-six".