70866489 has 8 divisors (see below), whose sum is σ = 100046880. Its totient is φ = 44465216.

The previous prime is 70866469. The next prime is 70866511. The reversal of 70866489 is 98466807.

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 70866489 - 2⁷ = 70866361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70866469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694719 + ... + 694820.

It is an arithmetic number, because the mean of its divisors is an integer number (12505860).

Almost surely, 2^70866489 is an apocalyptic number.

It is an amenable number.

70866489 is a deficient number, since it is larger than the sum of its proper divisors (29180391).

70866489 is a wasteful number, since it uses less digits than its factorization.

70866489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389559.

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 70866489 is about 8418.2236249698. The cubic root of 70866489 is about 413.8220605710.

The spelling of 70866489 in words is "seventy million, eight hundred sixty-six thousand, four hundred eighty-nine".