10402472 has 8 divisors (see below), whose sum is σ = 19504650. Its totient is φ = 5201232.

The previous prime is 10402471. The next prime is 10402477. The reversal of 10402472 is 27420401.

It can be written as a sum of positive squares in only one way, i.e., 6584356 + 3818116 = 2566^2 + 1954^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×10402472² = 216422847421568, which contains 22 as substring.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (10402471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650147 + ... + 650162.

Almost surely, 2^10402472 is an apocalyptic number.

It is an amenable number.

10402472 is a deficient number, since it is larger than the sum of its proper divisors (9102178).

10402472 is a wasteful number, since it uses less digits than its factorization.

10402472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300315 (or 1300311 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 10402472 is about 3225.2863438771. The cubic root of 10402472 is about 218.2958696217.

Adding to 10402472 its reverse (27420401), we get a palindrome (37822873).

The spelling of 10402472 in words is "ten million, four hundred two thousand, four hundred seventy-two".