70636141 has 4 divisors (see below), whose sum is σ = 73071900. Its totient is φ = 68200384.

The previous prime is 70636133. The next prime is 70636177. The reversal of 70636141 is 14163607.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43283241 + 27352900 = 6579^2 + 5230^2 .

It is a cyclic number.

It is not a de Polignac number, because 70636141 - 2³ = 70636133 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 (70630141) 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, 1217836 + ... + 1217893.

It is an arithmetic number, because the mean of its divisors is an integer number (18267975).

Almost surely, 2^70636141 is an apocalyptic number.

It is an amenable number.

70636141 is a deficient number, since it is larger than the sum of its proper divisors (2435759).

70636141 is a wasteful number, since it uses less digits than its factorization.

70636141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2435758.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 70636141 is about 8404.5309803701. The cubic root of 70636141 is about 413.3732045449.

Adding to 70636141 its reverse (14163607), we get a palindrome (84799748).

The spelling of 70636141 in words is "seventy million, six hundred thirty-six thousand, one hundred forty-one".