70647164 has 24 divisors (see below), whose sum is σ = 141600480. Its totient is φ = 30211776.

The previous prime is 70647163. The next prime is 70647217. The reversal of 70647164 is 46174607.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70647163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11774 + ... + 16730.

It is an arithmetic number, because the mean of its divisors is an integer number (5900020).

Almost surely, 2^70647164 is an apocalyptic number.

It is an amenable number.

70647164 is an abundant number, since it is smaller than the sum of its proper divisors (70953316).

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

70647164 is a wasteful number, since it uses less digits than its factorization.

70647164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5477 (or 5475 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 70647164 is about 8405.1867320126. The cubic root of 70647164 is about 413.3947061717.

The spelling of 70647164 in words is "seventy million, six hundred forty-seven thousand, one hundred sixty-four".