10168720 has 40 divisors (see below), whose sum is σ = 25036344. Its totient is φ = 3827712.

The previous prime is 10168699. The next prime is 10168721. The reversal of 10168720 is 2786101.

It can be written as a sum of positive squares in 4 ways, for example, as 4804864 + 5363856 = 2192^2 + 2316^2 .

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 (10168721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2379 + ... + 5098.

Almost surely, 2^10168720 is an apocalyptic number.

10168720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10168720 is an abundant number, since it is smaller than the sum of its proper divisors (14867624).

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

10168720 is a wasteful number, since it uses less digits than its factorization.

10168720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7507 (or 7501 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 10168720 is about 3188.8430503868. The cubic root of 10168720 is about 216.6483718938.

The spelling of 10168720 in words is "ten million, one hundred sixty-eight thousand, seven hundred twenty".