70071001 has 16 divisors (see below), whose sum is σ = 94082688. Its totient is φ = 50400000.

The previous prime is 70070981. The next prime is 70071011. The reversal of 70071001 is 10017007.

It is a happy number.

It is not a de Polignac number, because 70071001 - 2¹⁷ = 69939929 is a prime.

It is a super-2 number, since 2×70071001² = 9819890362284002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70071011) 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 15 ways as a sum of consecutive naturals, for example, 34000 + ... + 36001.

It is an arithmetic number, because the mean of its divisors is an integer number (5880168).

Almost surely, 2^70071001 is an apocalyptic number.

It is an amenable number.

70071001 is a deficient number, since it is larger than the sum of its proper divisors (24011687).

70071001 is a wasteful number, since it uses less digits than its factorization.

70071001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70032.

The product of its (nonzero) digits is 49, while the sum is 16.

The square root of 70071001 is about 8370.8423112612. The cubic root of 70071001 is about 412.2678235523.

Adding to 70071001 its reverse (10017007), we get a palindrome (80088008).

It can be divided in two parts, 7007 and 1001, that added together give a palindrome (8008).

The spelling of 70071001 in words is "seventy million, seventy-one thousand, one".