70306698 has 64 divisors (see below), whose sum is σ = 181002240. Its totient is φ = 17668800.

The previous prime is 70306637. The next prime is 70306721. The reversal of 70306698 is 89660307.

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 31 ways as a sum of consecutive naturals, for example, 11868 + ... + 16776.

It is an arithmetic number, because the mean of its divisors is an integer number (2828160).

Almost surely, 2^70306698 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70306698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90501120).

70306698 is an abundant number, since it is smaller than the sum of its proper divisors (110695542).

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

70306698 is a wasteful number, since it uses less digits than its factorization.

70306698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4963.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 70306698 is about 8384.9089440494. The cubic root of 70306698 is about 412.7295530399.

The spelling of 70306698 in words is "seventy million, three hundred six thousand, six hundred ninety-eight".