70666695 has 64 divisors (see below), whose sum is σ = 143078400. Its totient is φ = 32757120.

The previous prime is 70666679. The next prime is 70666699. The reversal of 70666695 is 59666607.

It is not a de Polignac number, because 70666695 - 2⁴ = 70666679 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 70666695.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70666699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33121 + ... + 35189.

It is an arithmetic number, because the mean of its divisors is an integer number (2235600).

Almost surely, 2^70666695 is an apocalyptic number.

70666695 is an abundant number, since it is smaller than the sum of its proper divisors (72411705).

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

70666695 is a wasteful number, since it uses less digits than its factorization.

70666695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117 (or 2111 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 70666695 is about 8406.3484938468. The cubic root of 70666695 is about 413.4327981376.

The spelling of 70666695 in words is "seventy million, six hundred sixty-six thousand, six hundred ninety-five".