60781266 has 240 divisors, whose sum is σ = 185391360. Its totient is φ = 14696640.

The previous prime is 60781223. The next prime is 60781289. The reversal of 60781266 is 66218706.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 60781266.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1960671 + ... + 1960701.

It is an arithmetic number, because the mean of its divisors is an integer number (772464).

Almost surely, 2^60781266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60781266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92695680).

60781266 is an abundant number, since it is smaller than the sum of its proper divisors (124610094).

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

60781266 is a wasteful number, since it uses less digits than its factorization.

60781266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 60781266 is about 7796.2340908929. The cubic root of 60781266 is about 393.1786379767.

The spelling of 60781266 in words is "sixty million, seven hundred eighty-one thousand, two hundred sixty-six".