70916117 has 4 divisors (see below), whose sum is σ = 70936320. Its totient is φ = 70895916.

The previous prime is 70916081. The next prime is 70916119. The reversal of 70916117 is 71161907.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70916117 - 2¹⁰ = 70915093 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 (70916119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3317 + ... + 12362.

It is an arithmetic number, because the mean of its divisors is an integer number (17734080).

Almost surely, 2^70916117 is an apocalyptic number.

It is an amenable number.

70916117 is a deficient number, since it is larger than the sum of its proper divisors (20203).

70916117 is a wasteful number, since it uses less digits than its factorization.

70916117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20202.

The product of its (nonzero) digits is 2646, while the sum is 32.

The square root of 70916117 is about 8421.1707618359. The cubic root of 70916117 is about 413.9186382779.

The spelling of 70916117 in words is "seventy million, nine hundred sixteen thousand, one hundred seventeen".