70466809 has 16 divisors (see below), whose sum is σ = 82901632. Its totient is φ = 58641408.

The previous prime is 70466807. The next prime is 70466821. The reversal of 70466809 is 90866407.

It is not a de Polignac number, because 70466809 - 2¹ = 70466807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70466807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57487 + ... + 58699.

It is an arithmetic number, because the mean of its divisors is an integer number (5181352).

Almost surely, 2^70466809 is an apocalyptic number.

It is an amenable number.

70466809 is a deficient number, since it is larger than the sum of its proper divisors (12434823).

70466809 is a wasteful number, since it uses less digits than its factorization.

70466809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 70466809 is about 8394.4510839006. The cubic root of 70466809 is about 413.0426215572.

The spelling of 70466809 in words is "seventy million, four hundred sixty-six thousand, eight hundred nine".