10491472 has 10 divisors (see below), whose sum is σ = 20327258. Its totient is φ = 5245728.

The previous prime is 10491443. The next prime is 10491493. The reversal of 10491472 is 27419401.

It can be written as a sum of positive squares in only one way, i.e., 10086976 + 404496 = 3176^2 + 636^2 .

It is a super-2 number, since 2×10491472² = 220141969453568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10491472.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327843 + ... + 327874.

Almost surely, 2^10491472 is an apocalyptic number.

It is an amenable number.

10491472 is a deficient number, since it is larger than the sum of its proper divisors (9835786).

10491472 is an equidigital number, since it uses as much as digits as its factorization.

10491472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655725 (or 655719 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 10491472 is about 3239.0541829367. The cubic root of 10491472 is about 218.9166575418.

The spelling of 10491472 in words is "ten million, four hundred ninety-one thousand, four hundred seventy-two".