70561141 has 8 divisors (see below), whose sum is σ = 81662720. Its totient is φ = 59714928.

The previous prime is 70561129. The next prime is 70561157. The reversal of 70561141 is 14116507.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70561141 - 2⁹ = 70560629 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 (70561181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63246 + ... + 64351.

It is an arithmetic number, because the mean of its divisors is an integer number (10207840).

Almost surely, 2^70561141 is an apocalyptic number.

It is an amenable number.

70561141 is a deficient number, since it is larger than the sum of its proper divisors (11101579).

70561141 is a wasteful number, since it uses less digits than its factorization.

70561141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127683.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 70561141 is about 8400.0679163921. The cubic root of 70561141 is about 413.2268490148.

Adding to 70561141 its reverse (14116507), we get a palindrome (84677648).

The spelling of 70561141 in words is "seventy million, five hundred sixty-one thousand, one hundred forty-one".