70717966 has 12 divisors (see below), whose sum is σ = 116597376. Its totient is φ = 32144420.

The previous prime is 70717963. The next prime is 70717973. The reversal of 70717966 is 66971707.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70717961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 145870 + ... + 146353.

It is an arithmetic number, because the mean of its divisors is an integer number (9716448).

Almost surely, 2^70717966 is an apocalyptic number.

70717966 is a deficient number, since it is larger than the sum of its proper divisors (45879410).

70717966 is a wasteful number, since it uses less digits than its factorization.

70717966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292247 (or 292236 counting only the distinct ones).

The product of its (nonzero) digits is 111132, while the sum is 43.

The square root of 70717966 is about 8409.3974813895. The cubic root of 70717966 is about 413.5327603082.

The spelling of 70717966 in words is "seventy million, seven hundred seventeen thousand, nine hundred sixty-six".