70901111 has 4 divisors (see below), whose sum is σ = 73983792. Its totient is φ = 67818432.

The previous prime is 70901107. The next prime is 70901119. The reversal of 70901111 is 11110907.

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 70901111 - 2² = 70901107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70901119) 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 3 ways as a sum of consecutive naturals, for example, 1541306 + ... + 1541351.

It is an arithmetic number, because the mean of its divisors is an integer number (18495948).

Almost surely, 2^70901111 is an apocalyptic number.

70901111 is a deficient number, since it is larger than the sum of its proper divisors (3082681).

70901111 is a wasteful number, since it uses less digits than its factorization.

70901111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3082680.

The product of its (nonzero) digits is 63, while the sum is 20.

The square root of 70901111 is about 8420.2797459467. The cubic root of 70901111 is about 413.8894408660.

The spelling of 70901111 in words is "seventy million, nine hundred one thousand, one hundred eleven".