70071707 has 8 divisors (see below), whose sum is σ = 70835520. Its totient is φ = 69311880.

The previous prime is 70071667. The next prime is 70071709. The reversal of 70071707 is 70717007.

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 70071707 - 2⁶ = 70071643 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 70071707.

It is not an unprimeable number, because it can be changed into a prime (70071709) 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, 45248 + ... + 46770.

It is an arithmetic number, because the mean of its divisors is an integer number (8854440).

Almost surely, 2^70071707 is an apocalyptic number.

70071707 is a deficient number, since it is larger than the sum of its proper divisors (763813).

70071707 is a wasteful number, since it uses less digits than its factorization.

70071707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993.

The product of its (nonzero) digits is 2401, while the sum is 29.

The square root of 70071707 is about 8370.8844813437. The cubic root of 70071707 is about 412.2692081484.

The spelling of 70071707 in words is "seventy million, seventy-one thousand, seven hundred seven".