70700111 has 4 divisors (see below), whose sum is σ = 70745400. Its totient is φ = 70654824.

The previous prime is 70700107. The next prime is 70700117. The reversal of 70700111 is 11100707.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70700111 - 2² = 70700107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70700111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70700117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20216 + ... + 23453.

It is an arithmetic number, because the mean of its divisors is an integer number (17686350).

Almost surely, 2^70700111 is an apocalyptic number.

70700111 is a deficient number, since it is larger than the sum of its proper divisors (45289).

70700111 is a wasteful number, since it uses less digits than its factorization.

70700111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45288.

The product of its (nonzero) digits is 49, while the sum is 17.

The square root of 70700111 is about 8408.3358044265. The cubic root of 70700111 is about 413.4979542122.

Adding to 70700111 its reverse (11100707), we get a palindrome (81800818).

The spelling of 70700111 in words is "seventy million, seven hundred thousand, one hundred eleven".