10305732 has 24 divisors (see below), whose sum is σ = 24270400. Its totient is φ = 3403296.

The previous prime is 10305709. The next prime is 10305749. The reversal of 10305732 is 23750301.

It is a happy number.

It is a super-2 number, since 2×10305732² = 212416224111648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10305699 and 10305708.

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, 2632 + ... + 5247.

Almost surely, 2^10305732 is an apocalyptic number.

10305732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10305732 is an abundant number, since it is smaller than the sum of its proper divisors (13964668).

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

10305732 is a wasteful number, since it uses less digits than its factorization.

10305732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7995 (or 7993 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 10305732 is about 3210.2541955428. The cubic root of 10305732 is about 217.6170647391.

The spelling of 10305732 in words is "ten million, three hundred five thousand, seven hundred thirty-two".