670733437 has 8 divisors (see below), whose sum is σ = 731912832. Its totient is φ = 609588000.

The previous prime is 670733387. The next prime is 670733461. The reversal of 670733437 is 734337076.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 670733437 - 2¹⁹ = 670209149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 670733437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670733467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50937 + ... + 62737.

It is an arithmetic number, because the mean of its divisors is an integer number (91489104).

Almost surely, 2^670733437 is an apocalyptic number.

It is an amenable number.

670733437 is a deficient number, since it is larger than the sum of its proper divisors (61179395).

670733437 is a wasteful number, since it uses less digits than its factorization.

670733437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16979.

The product of its (nonzero) digits is 222264, while the sum is 40.

The square root of 670733437 is about 25898.5219076302. The cubic root of 670733437 is about 875.3531905324.

The spelling of 670733437 in words is "six hundred seventy million, seven hundred thirty-three thousand, four hundred thirty-seven".