670704047 has 12 divisors (see below), whose sum is σ = 764493480. Its totient is φ = 586523808.

The previous prime is 670704037. The next prime is 670704079. The reversal of 670704047 is 740407076.

It is not a de Polignac number, because 670704047 - 2⁴ = 670704031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 670703998 and 670704016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670704037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101228 + ... + 107649.

It is an arithmetic number, because the mean of its divisors is an integer number (63707790).

Almost surely, 2^670704047 is an apocalyptic number.

670704047 is a deficient number, since it is larger than the sum of its proper divisors (93789433).

670704047 is a wasteful number, since it uses less digits than its factorization.

670704047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208922 (or 208909 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 670704047 is about 25897.9544945156. The cubic root of 670704047 is about 875.3404050230.

It can be divided in two parts, 67070 and 4047, that added together give a palindrome (71117).

The spelling of 670704047 in words is "six hundred seventy million, seven hundred four thousand, forty-seven".