670934574071 has 4 divisors (see below), whose sum is σ = 683593717032. Its totient is φ = 658275431112.

The previous prime is 670934574061. The next prime is 670934574109. The reversal of 670934574071 is 170475439076.

It is a happy number.

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 670934574071 - 2⁶ = 670934574007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53), and also a Moran number because the ratio is a prime number: 12659142907 = 670934574071 / (6 + 7 + 0 + 9 + 3 + 4 + 5 + 7 + 4 + 0 + 7 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670934574061) 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, 6329571401 + ... + 6329571506.

It is an arithmetic number, because the mean of its divisors is an integer number (170898429258).

Almost surely, 2^670934574071 is an apocalyptic number.

670934574071 is a deficient number, since it is larger than the sum of its proper divisors (12659142961).

670934574071 is a wasteful number, since it uses less digits than its factorization.

670934574071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12659142960.

The product of its (nonzero) digits is 4445280, while the sum is 53.

The spelling of 670934574071 in words is "six hundred seventy billion, nine hundred thirty-four million, five hundred seventy-four thousand, seventy-one".