60687760 has 80 divisors (see below), whose sum is σ = 162239616. Its totient is φ = 20680704.

The previous prime is 60687751. The next prime is 60687761. The reversal of 60687760 is 6778606.

60687760 = T₄₆₉ + T₄₇₀ + ... + T₇₇₅.

It is a tau number, because it is divible by the number of its divisors (80).

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

It is not an unprimeable number, because it can be changed into a prime (60687761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171744 + ... + 172096.

Almost surely, 2^60687760 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60687760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81119808).

60687760 is an abundant number, since it is smaller than the sum of its proper divisors (101551856).

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

60687760 is a wasteful number, since it uses less digits than its factorization.

60687760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680 (or 674 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 60687760 is about 7790.2349130177. The cubic root of 60687760 is about 392.9769122743.

The spelling of 60687760 in words is "sixty million, six hundred eighty-seven thousand, seven hundred sixty".