60387640 has 32 divisors (see below), whose sum is σ = 136312560. Its totient is φ = 24076800.

The previous prime is 60387637. The next prime is 60387647. The reversal of 60387640 is 4678306.

60387640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 60387596 and 60387605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60387647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10960 + ... + 15520.

Almost surely, 2^60387640 is an apocalyptic number.

It is an amenable number.

60387640 is an abundant number, since it is smaller than the sum of its proper divisors (75924920).

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

60387640 is a wasteful number, since it uses less digits than its factorization.

60387640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4903 (or 4899 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 60387640 is about 7770.9484620605. The cubic root of 60387640 is about 392.3280434636.

The spelling of 60387640 in words is "sixty million, three hundred eighty-seven thousand, six hundred forty".