70717670 has 8 divisors (see below), whose sum is σ = 127291824. Its totient is φ = 28287064.

The previous prime is 70717649. The next prime is 70717687. The reversal of 70717670 is 7671707.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 70717670.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3535874 + ... + 3535893.

It is an arithmetic number, because the mean of its divisors is an integer number (15911478).

Almost surely, 2^70717670 is an apocalyptic number.

70717670 is a deficient number, since it is larger than the sum of its proper divisors (56574154).

70717670 is a wasteful number, since it uses less digits than its factorization.

70717670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7071774.

The product of its (nonzero) digits is 14406, while the sum is 35.

The square root of 70717670 is about 8409.3798820127. The cubic root of 70717670 is about 413.5321833409.

It can be divided in two parts, 7071 and 7670, that added together give a palindrome (14741).

The spelling of 70717670 in words is "seventy million, seven hundred seventeen thousand, six hundred seventy".