60330640 has 20 divisors (see below), whose sum is σ = 140268924. Its totient is φ = 24132224.

The previous prime is 60330623. The next prime is 60330649. The reversal of 60330640 is 4603306.

It can be written as a sum of positive squares in 2 ways, for example, as 12278016 + 48052624 = 3504^2 + 6932^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×60330640² = 7279572245619200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (60330649) 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, 376987 + ... + 377146.

Almost surely, 2^60330640 is an apocalyptic number.

It is an amenable number.

60330640 is an abundant number, since it is smaller than the sum of its proper divisors (79938284).

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

60330640 is a wasteful number, since it uses less digits than its factorization.

60330640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754146 (or 754140 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 60330640 is about 7767.2800902246. The cubic root of 60330640 is about 392.2045648940.

Adding to 60330640 its reverse (4603306), we get a palindrome (64933946).

The spelling of 60330640 in words is "sixty million, three hundred thirty thousand, six hundred forty".