10249730 has 16 divisors (see below), whose sum is σ = 18530424. Its totient is φ = 4081920.

The previous prime is 10249717. The next prime is 10249739. The reversal of 10249730 is 3794201.

It can be written as a sum of positive squares in 4 ways, for example, as 7349521 + 2900209 = 2711^2 + 1703^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10249730.

It is not an unprimeable number, because it can be changed into a prime (10249739) 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, 284 + ... + 4536.

Almost surely, 2^10249730 is an apocalyptic number.

10249730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10249730 is a deficient number, since it is larger than the sum of its proper divisors (8280694).

10249730 is a wasteful number, since it uses less digits than its factorization.

10249730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4501.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 10249730 is about 3201.5199515230. The cubic root of 10249730 is about 217.2221669383. Note that the first 3 decimals are identical.

The spelling of 10249730 in words is "ten million, two hundred forty-nine thousand, seven hundred thirty".