10645740 has 216 divisors, whose sum is σ = 40334112. Its totient is φ = 2257920.

The previous prime is 10645729. The next prime is 10645753. The reversal of 10645740 is 4754601.

10645740 is a `hidden beast` number, since 10 + 645 + 7 + 4 + 0 = 666.

It is a super-2 number, since 2×10645740² = 226663560295200, which contains 22 as substring.

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 71 ways as a sum of consecutive naturals, for example, 149905 + ... + 149975.

It is an arithmetic number, because the mean of its divisors is an integer number (186732).

Almost surely, 2^10645740 is an apocalyptic number.

10645740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10645740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20167056).

10645740 is an abundant number, since it is smaller than the sum of its proper divisors (29688372).

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

10645740 is a wasteful number, since it uses less digits than its factorization.

10645740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 10645740 is about 3262.7810223795. The cubic root of 10645740 is about 219.9844341604.

The spelling of 10645740 in words is "ten million, six hundred forty-five thousand, seven hundred forty".