70140711 has 4 divisors (see below), whose sum is σ = 93520952. Its totient is φ = 46760472.

The previous prime is 70140643. The next prime is 70140713. The reversal of 70140711 is 11704107.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11704107 = 3 ⋅3901369.

It is not a de Polignac number, because 70140711 - 2⁷ = 70140583 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 (70140713) 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, 11690116 + ... + 11690121.

It is an arithmetic number, because the mean of its divisors is an integer number (23380238).

Almost surely, 2^70140711 is an apocalyptic number.

70140711 is a deficient number, since it is larger than the sum of its proper divisors (23380241).

70140711 is a wasteful number, since it uses less digits than its factorization.

70140711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23380240.

The product of its (nonzero) digits is 196, while the sum is 21.

The square root of 70140711 is about 8375.0051343268. The cubic root of 70140711 is about 412.4044928566.

Adding to 70140711 its reverse (11704107), we get a palindrome (81844818).

The spelling of 70140711 in words is "seventy million, one hundred forty thousand, seven hundred eleven".