65473905 has 64 divisors (see below), whose sum is σ = 129576960. Its totient is φ = 27558144.

The previous prime is 65473883. The next prime is 65473937. The reversal of 65473905 is 50937456.

It is not a de Polignac number, because 65473905 - 2¹² = 65469809 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 73372 + ... + 74258.

It is an arithmetic number, because the mean of its divisors is an integer number (2024640).

Almost surely, 2^65473905 is an apocalyptic number.

It is an amenable number.

65473905 is a deficient number, since it is larger than the sum of its proper divisors (64103055).

65473905 is a wasteful number, since it uses less digits than its factorization.

65473905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958.

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 65473905 is about 8091.5947130340. The cubic root of 65473905 is about 403.0473604461.

The spelling of 65473905 in words is "sixty-five million, four hundred seventy-three thousand, nine hundred five".