10315720 has 16 divisors (see below), whose sum is σ = 23210460. Its totient is φ = 4126272.

The previous prime is 10315699. The next prime is 10315729. The reversal of 10315720 is 2751301.

It can be written as a sum of positive squares in 2 ways, for example, as 9872164 + 443556 = 3142^2 + 666^2 .

It is not an unprimeable number, because it can be changed into a prime (10315729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128907 + ... + 128986.

Almost surely, 2^10315720 is an apocalyptic number.

10315720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10315720 is an abundant number, since it is smaller than the sum of its proper divisors (12894740).

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

10315720 is a wasteful number, since it uses less digits than its factorization.

10315720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257904 (or 257900 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 10315720 is about 3211.8094588565. The cubic root of 10315720 is about 217.6873446389.

The spelling of 10315720 in words is "ten million, three hundred fifteen thousand, seven hundred twenty".