75726660 has 48 divisors (see below), whose sum is σ = 213998400. Its totient is φ = 20006784.

The previous prime is 75726659. The next prime is 75726667. The reversal of 75726660 is 6662757.

It is not an unprimeable number, because it can be changed into a prime (75726667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 751 + ... + 12329.

It is an arithmetic number, because the mean of its divisors is an integer number (4458300).

Almost surely, 2^75726660 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 75726660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106999200).

75726660 is an abundant number, since it is smaller than the sum of its proper divisors (138271740).

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

75726660 is a wasteful number, since it uses less digits than its factorization.

75726660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11700 (or 11698 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 75726660 is about 8702.1066414978. The cubic root of 75726660 is about 423.0739326087.

The spelling of 75726660 in words is "seventy-five million, seven hundred twenty-six thousand, six hundred sixty".