65475120 has 40 divisors (see below), whose sum is σ = 202973616. Its totient is φ = 17459968.

The previous prime is 65475061. The next prime is 65475133. The reversal of 65475120 is 2157456.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136167 + ... + 136646.

Almost surely, 2^65475120 is an apocalyptic number.

65475120 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65475120 is an abundant number, since it is smaller than the sum of its proper divisors (137498496).

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

65475120 is a wasteful number, since it uses less digits than its factorization.

65475120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272829 (or 272823 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 65475120 is about 8091.6697905933. The cubic root of 65475120 is about 403.0498535489.

The spelling of 65475120 in words is "sixty-five million, four hundred seventy-five thousand, one hundred twenty".