70916871 has 8 divisors (see below), whose sum is σ = 97606144. Its totient is φ = 45752760.

The previous prime is 70916869. The next prime is 70916893. The reversal of 70916871 is 17861907.

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

It is not a de Polignac number, because 70916871 - 2¹ = 70916869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70916801) 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, 381181 + ... + 381366.

It is an arithmetic number, because the mean of its divisors is an integer number (12200768).

Almost surely, 2^70916871 is an apocalyptic number.

70916871 is a deficient number, since it is larger than the sum of its proper divisors (26689273).

70916871 is a wasteful number, since it uses less digits than its factorization.

70916871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762581.

The product of its (nonzero) digits is 21168, while the sum is 39.

The square root of 70916871 is about 8421.2155298389. The cubic root of 70916871 is about 413.9201052390.

The spelling of 70916871 in words is "seventy million, nine hundred sixteen thousand, eight hundred seventy-one".