670973544 has 192 divisors, whose sum is σ = 2028499200. Its totient is φ = 207028224.

The previous prime is 670973531. The next prime is 670973557. The reversal of 670973544 is 445379076.

It is an interprime number because it is at equal distance from previous prime (670973531) and next prime (670973557).

It is a self number, because there is not a number n which added to its sum of digits gives 670973544.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2610664 + ... + 2610920.

It is an arithmetic number, because the mean of its divisors is an integer number (10565100).

Almost surely, 2^670973544 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 670973544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1014249600).

670973544 is an abundant number, since it is smaller than the sum of its proper divisors (1357525656).

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

670973544 is a wasteful number, since it uses less digits than its factorization.

670973544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The square root of 670973544 is about 25903.1570276675. The cubic root of 670973544 is about 875.4576301117.

The spelling of 670973544 in words is "six hundred seventy million, nine hundred seventy-three thousand, five hundred forty-four".