70666350733 has 4 divisors (see below), whose sum is σ = 77090564448. Its totient is φ = 64242137020.

The previous prime is 70666350721. The next prime is 70666350757. The reversal of 70666350733 is 33705366607.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70666350733 - 2⁵ = 70666350701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70666350773) 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, 3212106841 + ... + 3212106862.

It is an arithmetic number, because the mean of its divisors is an integer number (19272641112).

Almost surely, 2^70666350733 is an apocalyptic number.

It is an amenable number.

70666350733 is a deficient number, since it is larger than the sum of its proper divisors (6424213715).

70666350733 is a wasteful number, since it uses less digits than its factorization.

70666350733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6424213714.

The product of its (nonzero) digits is 1428840, while the sum is 46.

The spelling of 70666350733 in words is "seventy billion, six hundred sixty-six million, three hundred fifty thousand, seven hundred thirty-three".