69489065 has 16 divisors (see below), whose sum is σ = 85942416. Its totient is φ = 53913600.

The previous prime is 69489059. The next prime is 69489089. The reversal of 69489065 is 56098496.

It can be written as a sum of positive squares in 8 ways, for example, as 30151081 + 39337984 = 5491^2 + 6272^2 .

It is not a de Polignac number, because 69489065 - 2⁶ = 69489001 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20705 + ... + 23825.

It is an arithmetic number, because the mean of its divisors is an integer number (5371401).

Almost surely, 2^69489065 is an apocalyptic number.

It is an amenable number.

69489065 is a deficient number, since it is larger than the sum of its proper divisors (16453351).

69489065 is a wasteful number, since it uses less digits than its factorization.

69489065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3260.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 69489065 is about 8336.0101367501. The cubic root of 69489065 is about 411.1233618756.

The spelling of 69489065 in words is "sixty-nine million, four hundred eighty-nine thousand, sixty-five".