670307070 has 32 divisors (see below), whose sum is σ = 1609790112. Its totient is φ = 178631552.

The previous prime is 670307063. The next prime is 670307089. The reversal of 670307070 is 70703076.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45544 + ... + 58436.

It is an arithmetic number, because the mean of its divisors is an integer number (50305941).

Almost surely, 2^670307070 is an apocalyptic number.

670307070 is an abundant number, since it is smaller than the sum of its proper divisors (939483042).

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

670307070 is a wasteful number, since it uses less digits than its factorization.

670307070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14636.

The product of its (nonzero) digits is 6174, while the sum is 30.

The square root of 670307070 is about 25890.2891061494. The cubic root of 670307070 is about 875.1676718134.

The spelling of 670307070 in words is "six hundred seventy million, three hundred seven thousand, seventy".