70066670737 has 32 divisors (see below), whose sum is σ = 83243663360. Its totient is φ = 57733300800.

The previous prime is 70066670683. The next prime is 70066670743. The reversal of 70066670737 is 73707666007.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-70066670737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70066670437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4947088 + ... + 4961230.

It is an arithmetic number, because the mean of its divisors is an integer number (2601364480).

Almost surely, 2^70066670737 is an apocalyptic number.

It is an amenable number.

70066670737 is a deficient number, since it is larger than the sum of its proper divisors (13176992623).

70066670737 is a wasteful number, since it uses less digits than its factorization.

70066670737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14453.

The product of its (nonzero) digits is 1555848, while the sum is 49.

The spelling of 70066670737 in words is "seventy billion, sixty-six million, six hundred seventy thousand, seven hundred thirty-seven".