670030072 has 8 divisors (see below), whose sum is σ = 1256306400. Its totient is φ = 335015032.

The previous prime is 670030069. The next prime is 670030087. The reversal of 670030072 is 270030076.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41876872 + ... + 41876887.

It is an arithmetic number, because the mean of its divisors is an integer number (157038300).

Almost surely, 2^670030072 is an apocalyptic number.

It is an amenable number.

670030072 is a deficient number, since it is larger than the sum of its proper divisors (586276328).

670030072 is a wasteful number, since it uses less digits than its factorization.

670030072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83753765 (or 83753761 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 670030072 is about 25884.9390959299. The cubic root of 670030072 is about 875.0471036411.

The spelling of 670030072 in words is "six hundred seventy million, thirty thousand, seventy-two".