673570237 has 8 divisors (see below), whose sum is σ = 692846552. Its totient is φ = 654350400.

The previous prime is 673570199. The next prime is 673570241. The reversal of 673570237 is 732075376.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 298218361 + 375351876 = 17269^2 + 19374^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-673570237 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 673570237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673576237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10687 + ... + 38227.

It is an arithmetic number, because the mean of its divisors is an integer number (86605819).

Almost surely, 2^673570237 is an apocalyptic number.

It is an amenable number.

673570237 is a deficient number, since it is larger than the sum of its proper divisors (19276315).

673570237 is a wasteful number, since it uses less digits than its factorization.

673570237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28239.

The product of its (nonzero) digits is 185220, while the sum is 40.

The square root of 673570237 is about 25953.2317255482. The cubic root of 673570237 is about 876.5855277415.

The spelling of 673570237 in words is "six hundred seventy-three million, five hundred seventy thousand, two hundred thirty-seven".