70004512 has 48 divisors (see below), whose sum is σ = 146694240. Its totient is φ = 32790528.

The previous prime is 70004497. The next prime is 70004537. The reversal of 70004512 is 21540007.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 70004512.

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, 58383 + ... + 59569.

It is an arithmetic number, because the mean of its divisors is an integer number (3056130).

Almost surely, 2^70004512 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 70004512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73347120).

70004512 is an abundant number, since it is smaller than the sum of its proper divisors (76689728).

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

70004512 is a wasteful number, since it uses less digits than its factorization.

70004512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313 (or 1305 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 70004512 is about 8366.8699045700. The cubic root of 70004512 is about 412.1373846665.

Adding to 70004512 its reverse (21540007), we get a palindrome (91544519).

The spelling of 70004512 in words is "seventy million, four thousand, five hundred twelve".