70013011 has 4 divisors (see below), whose sum is σ = 70030800. Its totient is φ = 69995224.

The previous prime is 70013003. The next prime is 70013017. The reversal of 70013011 is 11031007.

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 70013011 - 2³ = 70013003 is a prime.

It is a super-2 number, since 2×70013011² = 9803643418572242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70012982 and 70013000.

It is not an unprimeable number, because it can be changed into a prime (70013017) 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, 76 + ... + 11833.

It is an arithmetic number, because the mean of its divisors is an integer number (17507700).

Almost surely, 2^70013011 is an apocalyptic number.

70013011 is a deficient number, since it is larger than the sum of its proper divisors (17789).

70013011 is a wasteful number, since it uses less digits than its factorization.

70013011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17788.

The product of its (nonzero) digits is 21, while the sum is 13.

The square root of 70013011 is about 8367.3777851846. The cubic root of 70013011 is about 412.1540627052.

Adding to 70013011 its reverse (11031007), we get a palindrome (81044018).

The spelling of 70013011 in words is "seventy million, thirteen thousand, eleven".