670546404 has 192 divisors, whose sum is σ = 2033203200. Its totient is φ = 188956800.

The previous prime is 670546397. The next prime is 670546417. The reversal of 670546404 is 404645076.

670546404 is a `hidden beast` number, since 6 + 7 + 0 + 5 + 4 + 640 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1376649 + ... + 1377135.

It is an arithmetic number, because the mean of its divisors is an integer number (10589600).

Almost surely, 2^670546404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670546404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1016601600).

670546404 is an abundant number, since it is smaller than the sum of its proper divisors (1362656796).

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

670546404 is a wasteful number, since it uses less digits than its factorization.

670546404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591 (or 583 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 670546404 is about 25894.9107741270. The cubic root of 670546404 is about 875.2718193327.

The spelling of 670546404 in words is "six hundred seventy million, five hundred forty-six thousand, four hundred four".