70916685 has 32 divisors (see below), whose sum is σ = 133865472. Its totient is φ = 31371840.

The previous prime is 70916647. The next prime is 70916689. The reversal of 70916685 is 58661907.

It is not a de Polignac number, because 70916685 - 2⁶ = 70916621 is a prime.

It is a super-2 number, since 2×70916685² = 10058352422778450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70916689) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7639 + ... + 14148.

It is an arithmetic number, because the mean of its divisors is an integer number (4183296).

Almost surely, 2^70916685 is an apocalyptic number.

It is an amenable number.

70916685 is a deficient number, since it is larger than the sum of its proper divisors (62948787).

70916685 is a wasteful number, since it uses less digits than its factorization.

70916685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21833.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 70916685 is about 8421.2044862953. The cubic root of 70916685 is about 413.9197433636.

The spelling of 70916685 in words is "seventy million, nine hundred sixteen thousand, six hundred eighty-five".