70305696 has 72 divisors (see below), whose sum is σ = 201994884. Its totient is φ = 23193600.

The previous prime is 70305689. The next prime is 70305707. The reversal of 70305696 is 69650307.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 47610000 + 22695696 = 6900^2 + 4764^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 70305696.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27880 + ... + 30296.

Almost surely, 2^70305696 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 70305696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100997442).

70305696 is an abundant number, since it is smaller than the sum of its proper divisors (131689188).

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

70305696 is a wasteful number, since it uses less digits than its factorization.

70305696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2534 (or 2523 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 70305696 is about 8384.8491936349. The cubic root of 70305696 is about 412.7275923117.

The spelling of 70305696 in words is "seventy million, three hundred five thousand, six hundred ninety-six".