70700740073 has 4 divisors (see below), whose sum is σ = 71429613780. Its totient is φ = 69971866368.

The previous prime is 70700740069. The next prime is 70700740079. The reversal of 70700740073 is 37004700707.

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

It can be written as a sum of positive squares in 2 ways, for example, as 25897821184 + 44802918889 = 160928^2 + 211667^2 .

It is a cyclic number.

It is not a de Polignac number, because 70700740073 - 2² = 70700740069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70700740079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364436708 + ... + 364436901.

It is an arithmetic number, because the mean of its divisors is an integer number (17857403445).

Almost surely, 2^70700740073 is an apocalyptic number.

It is an amenable number.

70700740073 is a deficient number, since it is larger than the sum of its proper divisors (728873707).

70700740073 is an equidigital number, since it uses as much as digits as its factorization.

70700740073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728873706.

The product of its (nonzero) digits is 28812, while the sum is 35.

The spelling of 70700740073 in words is "seventy billion, seven hundred million, seven hundred forty thousand, seventy-three".