670670737040 has 20 divisors (see below), whose sum is σ = 1559309463804. Its totient is φ = 268268294784.

The previous prime is 670670737039. The next prime is 670670737063. The reversal of 670670737040 is 40737076076.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 101195244544 + 569475492496 = 318112^2 + 754636^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-4 number, since 4×670670737040⁴ (a number of 48 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4191692027 + ... + 4191692186.

Almost surely, 2^670670737040 is an apocalyptic number.

It is an amenable number.

670670737040 is an abundant number, since it is smaller than the sum of its proper divisors (888638726764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

670670737040 is a wasteful number, since it uses less digits than its factorization.

670670737040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8383384226 (or 8383384220 counting only the distinct ones).

The product of its (nonzero) digits is 1037232, while the sum is 47.

The spelling of 670670737040 in words is "six hundred seventy billion, six hundred seventy million, seven hundred thirty-seven thousand, forty".