70806659 has 12 divisors (see below), whose sum is σ = 88948272. Its totient is φ = 55173360.

The previous prime is 70806653. The next prime is 70806689. The reversal of 70806659 is 95660807.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-70806659 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (70806653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40952 + ... + 42645.

It is an arithmetic number, because the mean of its divisors is an integer number (7412356).

Almost surely, 2^70806659 is an apocalyptic number.

70806659 is a deficient number, since it is larger than the sum of its proper divisors (18141613).

70806659 is a wasteful number, since it uses less digits than its factorization.

70806659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83626 (or 83615 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 70806659 is about 8414.6692745467. The cubic root of 70806659 is about 413.7055694753.

The spelling of 70806659 in words is "seventy million, eight hundred six thousand, six hundred fifty-nine".