70072611 has 16 divisors (see below), whose sum is σ = 106980864. Its totient is φ = 39965184.

The previous prime is 70072609. The next prime is 70072663. The reversal of 70072611 is 11627007.

It is not a de Polignac number, because 70072611 - 2¹ = 70072609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70072111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9226 + ... + 15008.

It is an arithmetic number, because the mean of its divisors is an integer number (6686304).

Almost surely, 2^70072611 is an apocalyptic number.

70072611 is a deficient number, since it is larger than the sum of its proper divisors (36908253).

70072611 is a wasteful number, since it uses less digits than its factorization.

70072611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6370.

The product of its (nonzero) digits is 588, while the sum is 24.

The square root of 70072611 is about 8370.9384778530. The cubic root of 70072611 is about 412.2709810454.

Adding to 70072611 its reverse (11627007), we get a palindrome (81699618).

The spelling of 70072611 in words is "seventy million, seventy-two thousand, six hundred eleven".