70090912 has 48 divisors (see below), whose sum is σ = 145877760. Its totient is φ = 33096448.

The previous prime is 70090861. The next prime is 70090921. The reversal of 70090912 is 21909007.

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, 42813 + ... + 44419.

It is an arithmetic number, because the mean of its divisors is an integer number (3039120).

Almost surely, 2^70090912 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 70090912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72938880).

70090912 is an abundant number, since it is smaller than the sum of its proper divisors (75786848).

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

70090912 is a wasteful number, since it uses less digits than its factorization.

70090912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693 (or 1685 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 70090912 is about 8372.0315336243. The cubic root of 70090912 is about 412.3068691257.

Adding to 70090912 its reverse (21909007), we get a palindrome (91999919).

The spelling of 70090912 in words is "seventy million, ninety thousand, nine hundred twelve".