70320402307 has 4 divisors (see below), whose sum is σ = 71016644016. Its totient is φ = 69624160600.

The previous prime is 70320402259. The next prime is 70320402319.

70320402307 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70320402307 - 2¹¹ = 70320400259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70320402407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348120703 + ... + 348120904.

It is an arithmetic number, because the mean of its divisors is an integer number (17754161004).

Almost surely, 2^70320402307 is an apocalyptic number.

70320402307 is a deficient number, since it is larger than the sum of its proper divisors (696241709).

70320402307 is a wasteful number, since it uses less digits than its factorization.

70320402307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696241708.

The product of its (nonzero) digits is 7056, while the sum is 28.

The spelling of 70320402307 in words is "seventy billion, three hundred twenty million, four hundred two thousand, three hundred seven".