670751640737 has 4 divisors (see below), whose sum is σ = 670869674160. Its totient is φ = 670633607316.

The previous prime is 670751640719. The next prime is 670751640763. The reversal of 670751640737 is 737046157076.

It is a happy number.

670751640737 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 670751640737 - 2¹⁶ = 670751575201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670751640707) 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, 59008187 + ... + 59019552.

It is an arithmetic number, because the mean of its divisors is an integer number (167717418540).

Almost surely, 2^670751640737 is an apocalyptic number.

It is an amenable number.

670751640737 is a deficient number, since it is larger than the sum of its proper divisors (118033423).

670751640737 is a wasteful number, since it uses less digits than its factorization.

670751640737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118033422.

The product of its (nonzero) digits is 5186160, while the sum is 53.

The spelling of 670751640737 in words is "six hundred seventy billion, seven hundred fifty-one million, six hundred forty thousand, seven hundred thirty-seven".