670988084 has 24 divisors (see below), whose sum is σ = 1265332488. Its totient is φ = 309496320.

The previous prime is 670988069. The next prime is 670988089. The reversal of 670988084 is 480889076.

It can be written as a sum of positive squares in 4 ways, for example, as 178084 + 670810000 = 422^2 + 25900^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670988089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115784 + ... + 121440.

It is an arithmetic number, because the mean of its divisors is an integer number (52722187).

Almost surely, 2^670988084 is an apocalyptic number.

It is an amenable number.

670988084 is a deficient number, since it is larger than the sum of its proper divisors (594344404).

670988084 is a wasteful number, since it uses less digits than its factorization.

670988084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7955 (or 7953 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 50.

The square root of 670988084 is about 25903.4376869172. The cubic root of 670988084 is about 875.4639537897.

The spelling of 670988084 in words is "six hundred seventy million, nine hundred eighty-eight thousand, eighty-four".