70036320 has 96 divisors (see below), whose sum is σ = 224858592. Its totient is φ = 18317312.

The previous prime is 70036319. The next prime is 70036331. The reversal of 70036320 is 2363007.

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

It is a super-2 number, since 2×70036320² = 9810172238284800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 24064 + ... + 26816.

It is an arithmetic number, because the mean of its divisors is an integer number (2342277).

Almost surely, 2^70036320 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 70036320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112429296).

70036320 is an abundant number, since it is smaller than the sum of its proper divisors (154822272).

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

70036320 is a wasteful number, since it uses less digits than its factorization.

70036320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2824 (or 2816 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 70036320 is about 8368.7705190189. The cubic root of 70036320 is about 412.1997962671.

Adding to 70036320 its reverse (2363007), we get a palindrome (72399327).

The spelling of 70036320 in words is "seventy million, thirty-six thousand, three hundred twenty".