70087008 has 72 divisors (see below), whose sum is σ = 187894728. Its totient is φ = 22874112.

The previous prime is 70086967. The next prime is 70087009. The reversal of 70087008 is 80078007.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70087009) 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 11 ways as a sum of consecutive naturals, for example, 511516 + ... + 511652.

It is an arithmetic number, because the mean of its divisors is an integer number (2609649).

Almost surely, 2^70087008 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 70087008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93947364).

70087008 is an abundant number, since it is smaller than the sum of its proper divisors (117807720).

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

70087008 is a wasteful number, since it uses less digits than its factorization.

70087008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 70087008 is about 8371.7983731096. The cubic root of 70087008 is about 412.2992139445.

Subtracting 70087008 from its reverse (80078007), we obtain a palindrome (9990999).

The spelling of 70087008 in words is "seventy million, eighty-seven thousand, eight".