10309272 has 32 divisors (see below), whose sum is σ = 26034480. Its totient is φ = 3401600.

The previous prime is 10309253. The next prime is 10309283. The reversal of 10309272 is 27290301.

10309272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an alternating number because its digits alternate between odd and even.

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, 298 + ... + 4550.

Almost surely, 2^10309272 is an apocalyptic number.

10309272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10309272 is an abundant number, since it is smaller than the sum of its proper divisors (15725208).

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

10309272 is a wasteful number, since it uses less digits than its factorization.

10309272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4363 (or 4359 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 10309272 is about 3210.8055064111. The cubic root of 10309272 is about 217.6419789072.

Adding to 10309272 its reverse (27290301), we get a palindrome (37599573).

The spelling of 10309272 in words is "ten million, three hundred nine thousand, two hundred seventy-two".