70704071 has 8 divisors (see below), whose sum is σ = 74947104. Its totient is φ = 66470400.

The previous prime is 70704043. The next prime is 70704091. The reversal of 70704071 is 17040707.

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

It is a cyclic number.

It is not a de Polignac number, because 70704071 - 2¹⁸ = 70441927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70704071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70704091) 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, 18686 + ... + 22148.

It is an arithmetic number, because the mean of its divisors is an integer number (9368388).

Almost surely, 2^70704071 is an apocalyptic number.

70704071 is a deficient number, since it is larger than the sum of its proper divisors (4243033).

70704071 is a wasteful number, since it uses less digits than its factorization.

70704071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4681.

The product of its (nonzero) digits is 1372, while the sum is 26.

The square root of 70704071 is about 8408.5712817339. The cubic root of 70704071 is about 413.5056742441.

Adding to 70704071 its reverse (17040707), we get a palindrome (87744778).

The spelling of 70704071 in words is "seventy million, seven hundred four thousand, seventy-one".