70113641 has 4 divisors (see below), whose sum is σ = 75507012. Its totient is φ = 64720272.

The previous prime is 70113623. The next prime is 70113671. The reversal of 70113641 is 14631107.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14631107 = 2797 ⋅5231.

It can be written as a sum of positive squares in 2 ways, for example, as 9211225 + 60902416 = 3035^2 + 7804^2 .

It is a cyclic number.

It is not a de Polignac number, because 70113641 - 2¹⁰ = 70112617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70113601) 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, 2696666 + ... + 2696691.

It is an arithmetic number, because the mean of its divisors is an integer number (18876753).

Almost surely, 2^70113641 is an apocalyptic number.

It is an amenable number.

70113641 is a deficient number, since it is larger than the sum of its proper divisors (5393371).

70113641 is a wasteful number, since it uses less digits than its factorization.

70113641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5393370.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 70113641 is about 8373.3888599539. The cubic root of 70113641 is about 412.3514317743.

Adding to 70113641 its reverse (14631107), we get a palindrome (84744748).

The spelling of 70113641 in words is "seventy million, one hundred thirteen thousand, six hundred forty-one".