670537049 has 16 divisors (see below), whose sum is σ = 827164800. Its totient is φ = 529320960.

The previous prime is 670537031. The next prime is 670537057. The reversal of 670537049 is 940735076.

It is not a de Polignac number, because 670537049 - 2¹² = 670532953 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 670536997 and 670537015.

It is not an unprimeable number, because it can be changed into a prime (670537249) 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 15 ways as a sum of consecutive naturals, for example, 32654 + ... + 49064.

It is an arithmetic number, because the mean of its divisors is an integer number (51697800).

Almost surely, 2^670537049 is an apocalyptic number.

It is an amenable number.

670537049 is a deficient number, since it is larger than the sum of its proper divisors (156627751).

670537049 is a wasteful number, since it uses less digits than its factorization.

670537049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16880.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 670537049 is about 25894.7301395477. The cubic root of 670537049 is about 875.2677489179.

The spelling of 670537049 in words is "six hundred seventy million, five hundred thirty-seven thousand, forty-nine".