101766740 has 24 divisors (see below), whose sum is σ = 217334880. Its totient is φ = 40016288.

The previous prime is 101766739. The next prime is 101766779. The reversal of 101766740 is 47667101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101766697 and 101766706.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 41942 + ... + 44301.

It is an arithmetic number, because the mean of its divisors is an integer number (9055620).

Almost surely, 2^101766740 is an apocalyptic number.

101766740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101766740 is an abundant number, since it is smaller than the sum of its proper divisors (115568140).

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

101766740 is a wasteful number, since it uses less digits than its factorization.

101766740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86311 (or 86309 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 101766740 is about 10087.9502377837. The cubic root of 101766740 is about 466.8764351726.

The spelling of 101766740 in words is "one hundred one million, seven hundred sixty-six thousand, seven hundred forty".