10661730 has 32 divisors (see below), whose sum is σ = 25700544. Its totient is φ = 2830656.

The previous prime is 10661711. The next prime is 10661741. The reversal of 10661730 is 3716601.

10661730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-5 number, since 5×10661730⁵ (a number of 36 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 10661730.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7669 + ... + 8951.

It is an arithmetic number, because the mean of its divisors is an integer number (803142).

Almost surely, 2^10661730 is an apocalyptic number.

10661730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10661730 is an abundant number, since it is smaller than the sum of its proper divisors (15038814).

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

10661730 is a wasteful number, since it uses less digits than its factorization.

10661730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 10661730 is about 3265.2304665980. The cubic root of 10661730 is about 220.0945186148.

The spelling of 10661730 in words is "ten million, six hundred sixty-one thousand, seven hundred thirty".