670196637 has 48 divisors (see below), whose sum is σ = 1074902400. Its totient is φ = 399012480.

The previous prime is 670196629. The next prime is 670196647. The reversal of 670196637 is 736691076.

670196637 is a `hidden beast` number, since 6 + 7 + 0 + 1 + 9 + 6 + 637 = 666.

It is not a de Polignac number, because 670196637 - 2³ = 670196629 is a prime.

It is a super-2 number, since 2×670196637² = 898327064492219538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 670196592 and 670196601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670196617) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1866664 + ... + 1867022.

It is an arithmetic number, because the mean of its divisors is an integer number (22393800).

Almost surely, 2^670196637 is an apocalyptic number.

It is an amenable number.

670196637 is a deficient number, since it is larger than the sum of its proper divisors (404705763).

670196637 is a wasteful number, since it uses less digits than its factorization.

670196637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658 (or 655 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 670196637 is about 25888.1563074700. The cubic root of 670196637 is about 875.1196079216.

The spelling of 670196637 in words is "six hundred seventy million, one hundred ninety-six thousand, six hundred thirty-seven".