70726141 has 4 divisors (see below), whose sum is σ = 70782300. Its totient is φ = 70669984.

The previous prime is 70726121. The next prime is 70726147. The reversal of 70726141 is 14162707.

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 30846916 + 39879225 = 5554^2 + 6315^2 .

It is a cyclic number.

It is not a de Polignac number, because 70726141 - 2¹⁵ = 70693373 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 (70726147) 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, 26146 + ... + 28723.

It is an arithmetic number, because the mean of its divisors is an integer number (17695575).

Almost surely, 2^70726141 is an apocalyptic number.

It is an amenable number.

70726141 is a deficient number, since it is larger than the sum of its proper divisors (56159).

70726141 is a wasteful number, since it uses less digits than its factorization.

70726141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56158.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 70726141 is about 8409.8835307036. The cubic root of 70726141 is about 413.5486944960.

Adding to 70726141 its reverse (14162707), we get a palindrome (84888848).

The spelling of 70726141 in words is "seventy million, seven hundred twenty-six thousand, one hundred forty-one".