670426544 has 10 divisors (see below), whose sum is σ = 1298951460. Its totient is φ = 335213264.

The previous prime is 670426507. The next prime is 670426577. The reversal of 670426544 is 445624076.

It is a junction number, because it is equal to n+sod(n) for n = 670426498 and 670426507.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20950814 + ... + 20950845.

It is an arithmetic number, because the mean of its divisors is an integer number (129895146).

Almost surely, 2^670426544 is an apocalyptic number.

It is an amenable number.

670426544 is a deficient number, since it is larger than the sum of its proper divisors (628524916).

670426544 is a wasteful number, since it uses less digits than its factorization.

670426544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41901667 (or 41901661 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 38.

The square root of 670426544 is about 25892.5963163218. The cubic root of 670426544 is about 875.2196646863.

The spelling of 670426544 in words is "six hundred seventy million, four hundred twenty-six thousand, five hundred forty-four".