667730095 has 16 divisors (see below), whose sum is σ = 815563872. Its totient is φ = 524684160.

The previous prime is 667730087. The next prime is 667730137. The reversal of 667730095 is 590037766.

It is not a de Polignac number, because 667730095 - 2³ = 667730087 is a prime.

It is a Duffinian number.

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, 332364 + ... + 334366.

It is an arithmetic number, because the mean of its divisors is an integer number (50972742).

Almost surely, 2^667730095 is an apocalyptic number.

667730095 is a deficient number, since it is larger than the sum of its proper divisors (147833777).

667730095 is a wasteful number, since it uses less digits than its factorization.

667730095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3162.

The product of its (nonzero) digits is 238140, while the sum is 43.

The square root of 667730095 is about 25840.4739701113. The cubic root of 667730095 is about 874.0447130851.

The spelling of 667730095 in words is "six hundred sixty-seven million, seven hundred thirty thousand, ninety-five".