6665970 has 16 divisors (see below), whose sum is σ = 15998400. Its totient is φ = 1777584.

The previous prime is 6665959. The next prime is 6665987. The reversal of 6665970 is 795666.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111070 + ... + 111129.

It is an arithmetic number, because the mean of its divisors is an integer number (999900).

Almost surely, 2^6665970 is an apocalyptic number.

6665970 is an abundant number, since it is smaller than the sum of its proper divisors (9332430).

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

6665970 is a wasteful number, since it uses less digits than its factorization.

6665970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222209.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 6665970 is about 2581.8539850270. The cubic root of 6665970 is about 188.2006496635.

The spelling of 6665970 in words is "six million, six hundred sixty-five thousand, nine hundred seventy".