70072011 has 12 divisors (see below), whose sum is σ = 107169192. Its totient is φ = 43966656.

The previous prime is 70072001. The next prime is 70072021. The reversal of 70072011 is 11027007.

It is an interprime number because it is at equal distance from previous prime (70072001) and next prime (70072021).

It is not a de Polignac number, because 70072011 - 2¹¹ = 70069963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70072001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 228841 + ... + 229146.

It is an arithmetic number, because the mean of its divisors is an integer number (8930766).

Almost surely, 2^70072011 is an apocalyptic number.

70072011 is a deficient number, since it is larger than the sum of its proper divisors (37097181).

70072011 is a wasteful number, since it uses less digits than its factorization.

70072011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458010 (or 458007 counting only the distinct ones).

The product of its (nonzero) digits is 98, while the sum is 18.

The square root of 70072011 is about 8370.9026395007. The cubic root of 70072011 is about 412.2698043456.

Adding to 70072011 its reverse (11027007), we get a palindrome (81099018).

The spelling of 70072011 in words is "seventy million, seventy-two thousand, eleven".