630370070 has 24 divisors (see below), whose sum is σ = 1247197392. Its totient is φ = 229225040.

The previous prime is 630370043. The next prime is 630370093. The reversal of 630370070 is 70073036.

630370070 is digitally balanced in base 2 and base 6, because in such bases it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 259274 + ... + 261693.

It is an arithmetic number, because the mean of its divisors is an integer number (51966558).

Almost surely, 2^630370070 is an apocalyptic number.

630370070 is a deficient number, since it is larger than the sum of its proper divisors (616827322).

630370070 is a wasteful number, since it uses less digits than its factorization.

630370070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520996 (or 520985 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 26.

The square root of 630370070 is about 25107.1716846004. The cubic root of 630370070 is about 857.4297108816.

The spelling of 630370070 in words is "six hundred thirty million, three hundred seventy thousand, seventy".