670765750 has 16 divisors (see below), whose sum is σ = 1255673952. Its totient is φ = 268306200.

The previous prime is 670765747. The next prime is 670765783. The reversal of 670765750 is 57567076.

It is a junction number, because it is equal to n+sod(n) for n = 670765697 and 670765706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1341282 + ... + 1341781.

It is an arithmetic number, because the mean of its divisors is an integer number (78479622).

Almost surely, 2^670765750 is an apocalyptic number.

670765750 is a deficient number, since it is larger than the sum of its proper divisors (584908202).

670765750 is a wasteful number, since it uses less digits than its factorization.

670765750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2683080 (or 2683070 counting only the distinct ones).

The product of its (nonzero) digits is 308700, while the sum is 43.

The square root of 670765750 is about 25899.1457388077. The cubic root of 670765750 is about 875.3672472013.

The spelling of 670765750 in words is "six hundred seventy million, seven hundred sixty-five thousand, seven hundred fifty".