10289720 has 32 divisors (see below), whose sum is σ = 26460000. Its totient is φ = 3527808.

The previous prime is 10289711. The next prime is 10289731. The reversal of 10289720 is 2798201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18095 + ... + 18654.

It is an arithmetic number, because the mean of its divisors is an integer number (826875).

Almost surely, 2^10289720 is an apocalyptic number.

10289720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10289720 is an abundant number, since it is smaller than the sum of its proper divisors (16170280).

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

10289720 is a wasteful number, since it uses less digits than its factorization.

10289720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36767 (or 36763 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 10289720 is about 3207.7593425941. The cubic root of 10289720 is about 217.5043025528.

The spelling of 10289720 in words is "ten million, two hundred eighty-nine thousand, seven hundred twenty".