70550667391 has 8 divisors (see below), whose sum is σ = 70821702000. Its totient is φ = 70279698240.

The previous prime is 70550667379. The next prime is 70550667401. The reversal of 70550667391 is 19376605507.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70550667391 - 2⁷ = 70550667263 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 (70550667331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4069660 + ... + 4086958.

It is an arithmetic number, because the mean of its divisors is an integer number (8852712750).

Almost surely, 2^70550667391 is an apocalyptic number.

70550667391 is a deficient number, since it is larger than the sum of its proper divisors (271034609).

70550667391 is a wasteful number, since it uses less digits than its factorization.

70550667391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32729.

The product of its (nonzero) digits is 1190700, while the sum is 49.

The spelling of 70550667391 in words is "seventy billion, five hundred fifty million, six hundred sixty-seven thousand, three hundred ninety-one".