60688840 has 32 divisors (see below), whose sum is σ = 136776960. Its totient is φ = 24235200.

The previous prime is 60688813. The next prime is 60688841. The reversal of 60688840 is 4888606.

It is a happy number.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 60688793 and 60688802.

It is not an unprimeable number, because it can be changed into a prime (60688841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38875 + ... + 40405.

It is an arithmetic number, because the mean of its divisors is an integer number (4274280).

Almost surely, 2^60688840 is an apocalyptic number.

It is an amenable number.

60688840 is an abundant number, since it is smaller than the sum of its proper divisors (76088120).

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

60688840 is a wasteful number, since it uses less digits than its factorization.

60688840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2533 (or 2529 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 60688840 is about 7790.3042302596. The cubic root of 60688840 is about 392.9792434008.

It can be divided in two parts, 60 and 688840, that added together give a square (688900 = 830²).

The spelling of 60688840 in words is "sixty million, six hundred eighty-eight thousand, eight hundred forty".