70895409 has 16 divisors (see below), whose sum is σ = 102705792. Its totient is φ = 43239168.

The previous prime is 70895387. The next prime is 70895431. The reversal of 70895409 is 90459807.

It is an interprime number because it is at equal distance from previous prime (70895387) and next prime (70895431).

It is not a de Polignac number, because 70895409 - 2⁷ = 70895281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70895449) 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 15 ways as a sum of consecutive naturals, for example, 3637 + ... + 12450.

It is an arithmetic number, because the mean of its divisors is an integer number (6419112).

Almost surely, 2^70895409 is an apocalyptic number.

It is an amenable number.

70895409 is a deficient number, since it is larger than the sum of its proper divisors (31810383).

70895409 is a wasteful number, since it uses less digits than its factorization.

70895409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16216.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 70895409 is about 8419.9411518134. The cubic root of 70895409 is about 413.8783453141.

The spelling of 70895409 in words is "seventy million, eight hundred ninety-five thousand, four hundred nine".