70305396 has 192 divisors, whose sum is σ = 215040000. Its totient is φ = 17781120.

The previous prime is 70305383. The next prime is 70305397. The reversal of 70305396 is 69350307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70305397) 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 63 ways as a sum of consecutive naturals, for example, 2267901 + ... + 2267931.

It is an arithmetic number, because the mean of its divisors is an integer number (1120000).

Almost surely, 2^70305396 is an apocalyptic number.

70305396 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70305396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107520000).

70305396 is an abundant number, since it is smaller than the sum of its proper divisors (144734604).

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

70305396 is a wasteful number, since it uses less digits than its factorization.

70305396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 33.

The square root of 70305396 is about 8384.8313042064. The cubic root of 70305396 is about 412.7270052637.

The spelling of 70305396 in words is "seventy million, three hundred five thousand, three hundred ninety-six".