70471689 has 8 divisors (see below), whose sum is σ = 95285952. Its totient is φ = 46319280.

The previous prime is 70471663. The next prime is 70471691. The reversal of 70471689 is 98617407.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70471689 - 2⁵ = 70471657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70471689.

It is not an unprimeable number, because it can be changed into a prime (70471789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165214 + ... + 165639.

It is an arithmetic number, because the mean of its divisors is an integer number (11910744).

Almost surely, 2^70471689 is an apocalyptic number.

It is an amenable number.

70471689 is a deficient number, since it is larger than the sum of its proper divisors (24814263).

70471689 is a wasteful number, since it uses less digits than its factorization.

70471689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330927.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 70471689 is about 8394.7417470700. The cubic root of 70471689 is about 413.0521560765.

The spelling of 70471689 in words is "seventy million, four hundred seventy-one thousand, six hundred eighty-nine".