670330537 has 4 divisors (see below), whose sum is σ = 675447696. Its totient is φ = 665213380.

The previous prime is 670330523. The next prime is 670330541. The reversal of 670330537 is 735033076.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 670330537 - 2¹¹ = 670328489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670330597) 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, 2558383 + ... + 2558644.

It is an arithmetic number, because the mean of its divisors is an integer number (168861924).

Almost surely, 2^670330537 is an apocalyptic number.

It is an amenable number.

670330537 is a deficient number, since it is larger than the sum of its proper divisors (5117159).

670330537 is a wasteful number, since it uses less digits than its factorization.

670330537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5117158.

The product of its (nonzero) digits is 39690, while the sum is 34.

The square root of 670330537 is about 25890.7423029932. The cubic root of 670330537 is about 875.1778847049.

The spelling of 670330537 in words is "six hundred seventy million, three hundred thirty thousand, five hundred thirty-seven".