10730640 has 40 divisors (see below), whose sum is σ = 33265728. Its totient is φ = 2861440.

The previous prime is 10730639. The next prime is 10730647. The reversal of 10730640 is 4603701.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (10730647) by changing a digit.

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, 22116 + ... + 22595.

Almost surely, 2^10730640 is an apocalyptic number.

10730640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10730640 is an abundant number, since it is smaller than the sum of its proper divisors (22535088).

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

10730640 is a wasteful number, since it uses less digits than its factorization.

10730640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44727 (or 44721 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 10730640 is about 3275.7655593769. The cubic root of 10730640 is about 220.5676799251.

The spelling of 10730640 in words is "ten million, seven hundred thirty thousand, six hundred forty".