670367437 has 4 divisors (see below), whose sum is σ = 672509500. Its totient is φ = 668225376.

The previous prime is 670367417. The next prime is 670367447. The reversal of 670367437 is 734763076.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41912676 + 628454761 = 6474^2 + 25069^2 .

It is a cyclic number.

It is not a de Polignac number, because 670367437 - 2⁷ = 670367309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 670367393 and 670367402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670367417) 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, 1070562 + ... + 1071187.

It is an arithmetic number, because the mean of its divisors is an integer number (168127375).

Almost surely, 2^670367437 is an apocalyptic number.

It is an amenable number.

670367437 is a deficient number, since it is larger than the sum of its proper divisors (2142063).

670367437 is a wasteful number, since it uses less digits than its factorization.

670367437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142062.

The product of its (nonzero) digits is 444528, while the sum is 43.

The square root of 670367437 is about 25891.4549031143. The cubic root of 670367437 is about 875.1939431863.

The spelling of 670367437 in words is "six hundred seventy million, three hundred sixty-seven thousand, four hundred thirty-seven".