60776540 has 24 divisors (see below), whose sum is σ = 139234032. Its totient is φ = 22100480.

The previous prime is 60776539. The next prime is 60776561. The reversal of 60776540 is 4567706.

It is a self number, because there is not a number n which added to its sum of digits gives 60776540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137909 + ... + 138348.

It is an arithmetic number, because the mean of its divisors is an integer number (5801418).

Almost surely, 2^60776540 is an apocalyptic number.

It is an amenable number.

60776540 is an abundant number, since it is smaller than the sum of its proper divisors (78457492).

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

60776540 is a wasteful number, since it uses less digits than its factorization.

60776540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276277 (or 276275 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 60776540 is about 7795.9309899460. The cubic root of 60776540 is about 393.1684472797.

It can be divided in two parts, 60776 and 540, that added together give a palindrome (61316).

The spelling of 60776540 in words is "sixty million, seven hundred seventy-six thousand, five hundred forty".