670004040738 has 32 divisors (see below), whose sum is σ = 1342261468800. Its totient is φ = 222959379456.

The previous prime is 670004040737. The next prime is 670004040743. The reversal of 670004040738 is 837040400076.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 670004040696 and 670004040705.

It is not an unprimeable number, because it can be changed into a prime (670004040733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10605348 + ... + 10668336.

It is an arithmetic number, because the mean of its divisors is an integer number (41945670900).

Almost surely, 2^670004040738 is an apocalyptic number.

670004040738 is an abundant number, since it is smaller than the sum of its proper divisors (672257428062).

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

670004040738 is a wasteful number, since it uses less digits than its factorization.

670004040738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65946.

The product of its (nonzero) digits is 112896, while the sum is 39.

The spelling of 670004040738 in words is "six hundred seventy billion, four million, forty thousand, seven hundred thirty-eight".