70690985 has 8 divisors (see below), whose sum is σ = 84974400. Its totient is φ = 56455984.

The previous prime is 70690973. The next prime is 70690993. The reversal of 70690985 is 58909607.

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 70690985 - 2⁸ = 70690729 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8807 + ... + 14796.

It is an arithmetic number, because the mean of its divisors is an integer number (10621800).

Almost surely, 2^70690985 is an apocalyptic number.

It is an amenable number.

70690985 is a deficient number, since it is larger than the sum of its proper divisors (14283415).

70690985 is a wasteful number, since it uses less digits than its factorization.

70690985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24207.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 70690985 is about 8407.7931111559. The cubic root of 70690985 is about 413.4801619502.

The spelling of 70690985 in words is "seventy million, six hundred ninety thousand, nine hundred eighty-five".