60065640 has 48 divisors (see below), whose sum is σ = 195214500. Its totient is φ = 16017408.

The previous prime is 60065633. The next prime is 60065647. The reversal of 60065640 is 4656006.

60065640 is a `hidden beast` number, since 6 + 0 + 0 + 656 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (60065633) and next prime (60065647).

It can be written as a sum of positive squares in 2 ways, for example, as 58339044 + 1726596 = 7638^2 + 1314^2 .

It is a super-2 number, since 2×60065640² = 7215762217219200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (60065647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83065 + ... + 83784.

Almost surely, 2^60065640 is an apocalyptic number.

60065640 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

60065640 is an abundant number, since it is smaller than the sum of its proper divisors (135148860).

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

60065640 is a wasteful number, since it uses less digits than its factorization.

60065640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166866 (or 166859 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 60065640 is about 7750.2025779976. The cubic root of 60065640 is about 391.6294742612.

The spelling of 60065640 in words is "sixty million, sixty-five thousand, six hundred forty".