70040571 has 16 divisors (see below), whose sum is σ = 95047680. Its totient is φ = 45871200.

The previous prime is 70040569. The next prime is 70040599. The reversal of 70040571 is 17504007.

It is not a de Polignac number, because 70040571 - 2¹ = 70040569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70040521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41286 + ... + 42948.

It is an arithmetic number, because the mean of its divisors is an integer number (5940480).

Almost surely, 2^70040571 is an apocalyptic number.

70040571 is a deficient number, since it is larger than the sum of its proper divisors (25007109).

70040571 is a wasteful number, since it uses less digits than its factorization.

70040571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906.

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 70040571 is about 8369.0244951249. The cubic root of 70040571 is about 412.2081358728.

Adding to 70040571 its reverse (17504007), we get a palindrome (87544578).

The spelling of 70040571 in words is "seventy million, forty thousand, five hundred seventy-one".