670996896 has 72 divisors (see below), whose sum is σ = 1824417504. Its totient is φ = 215927040.

The previous prime is 670996883. The next prime is 670996903. The reversal of 670996896 is 698699076.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76581 + ... + 84891.

It is an arithmetic number, because the mean of its divisors is an integer number (25339132).

Almost surely, 2^670996896 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 670996896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (912208752).

670996896 is an abundant number, since it is smaller than the sum of its proper divisors (1153420608).

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

670996896 is a wasteful number, since it uses less digits than its factorization.

670996896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8382 (or 8345 counting only the distinct ones).

The product of its (nonzero) digits is 8817984, while the sum is 60.

The square root of 670996896 is about 25903.6077796125. The cubic root of 670996896 is about 875.4677862247.

The spelling of 670996896 in words is "six hundred seventy million, nine hundred ninety-six thousand, eight hundred ninety-six".