60780681 has 36 divisors (see below), whose sum is σ = 96349500. Its totient is φ = 36900864.

The previous prime is 60780667. The next prime is 60780691. The reversal of 60780681 is 18608706.

It can be written as a sum of positive squares in 6 ways, for example, as 13995081 + 46785600 = 3741^2 + 6840^2 .

It is not a de Polignac number, because 60780681 - 2⁶ = 60780617 is a prime.

It is a super-2 number, since 2×60780681² = 7388582365647522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (60780611) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 135145 + ... + 135593.

It is an arithmetic number, because the mean of its divisors is an integer number (2676375).

Almost surely, 2^60780681 is an apocalyptic number.

It is an amenable number.

60780681 is a deficient number, since it is larger than the sum of its proper divisors (35568819).

60780681 is a wasteful number, since it uses less digits than its factorization.

60780681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570 (or 554 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 60780681 is about 7796.1965726885. The cubic root of 60780681 is about 393.1773765670.

The spelling of 60780681 in words is "sixty million, seven hundred eighty thousand, six hundred eighty-one".