70485009 has 32 divisors (see below), whose sum is σ = 114462720. Its totient is φ = 37661952.

The previous prime is 70484987. The next prime is 70485031. The reversal of 70485009 is 90058407.

It is an interprime number because it is at equal distance from previous prime (70484987) and next prime (70485031).

It is not a de Polignac number, because 70485009 - 2⁵ = 70484977 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70485049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63352 + ... + 64454.

It is an arithmetic number, because the mean of its divisors is an integer number (3576960).

Almost surely, 2^70485009 is an apocalyptic number.

It is an amenable number.

70485009 is a deficient number, since it is larger than the sum of its proper divisors (43977711).

70485009 is a wasteful number, since it uses less digits than its factorization.

70485009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 70485009 is about 8395.5350633536. The cubic root of 70485009 is about 413.0781783851.

The spelling of 70485009 in words is "seventy million, four hundred eighty-five thousand, nine".