65507008 has 28 divisors (see below), whose sum is σ = 148561552. Its totient is φ = 28074240.

The previous prime is 65506997. The next prime is 65507009. The reversal of 65507008 is 80070556.

It is a tau number, because it is divible by the number of its divisors (28).

It is a super-2 number, since 2×65507008² = 8582336194224128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65507009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72663 + ... + 73558.

Almost surely, 2^65507008 is an apocalyptic number.

It is an amenable number.

65507008 is an abundant number, since it is smaller than the sum of its proper divisors (83054544).

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

65507008 is a wasteful number, since it uses less digits than its factorization.

65507008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146240 (or 146230 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 65507008 is about 8093.6399722251. The cubic root of 65507008 is about 403.1152746727.

The spelling of 65507008 in words is "sixty-five million, five hundred seven thousand, eight".