65469906 has 12 divisors (see below), whose sum is σ = 141851502. Its totient is φ = 21823296.

The previous prime is 65469889. The next prime is 65469931. The reversal of 65469906 is 60996456.

It can be written as a sum of positive squares in only one way, i.e., 65464281 + 5625 = 8091^2 + 75^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1818591 + ... + 1818626.

Almost surely, 2^65469906 is an apocalyptic number.

65469906 is an abundant number, since it is smaller than the sum of its proper divisors (76381596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65469906 is a wasteful number, since it uses less digits than its factorization.

65469906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3637225 (or 3637222 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 65469906 is about 8091.3476009871. The cubic root of 65469906 is about 403.0391545346.

The spelling of 65469906 in words is "sixty-five million, four hundred sixty-nine thousand, nine hundred six".