70601081 has 4 divisors (see below), whose sum is σ = 70770000. Its totient is φ = 70432164.

The previous prime is 70601077. The next prime is 70601101. The reversal of 70601081 is 18010607.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70601081 - 2² = 70601077 is a prime.

It is a super-2 number, since 2×70601081² = 9969025276737122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70601281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83831 + ... + 84668.

It is an arithmetic number, because the mean of its divisors is an integer number (17692500).

Almost surely, 2^70601081 is an apocalyptic number.

It is an amenable number.

70601081 is a deficient number, since it is larger than the sum of its proper divisors (168919).

70601081 is a wasteful number, since it uses less digits than its factorization.

70601081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168918.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 70601081 is about 8402.4449418012. Note that the first 3 decimals coincide. The cubic root of 70601081 is about 413.3048011147.

Adding to 70601081 its reverse (18010607), we get a palindrome (88611688).

The spelling of 70601081 in words is "seventy million, six hundred one thousand, eighty-one".