10402772 has 12 divisors (see below), whose sum is σ = 18697140. Its totient is φ = 5060736.

The previous prime is 10402771. The next prime is 10402781. The reversal of 10402772 is 27720401.

It can be written as a sum of positive squares in 2 ways, for example, as 10010896 + 391876 = 3164^2 + 626^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10402771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34997 + ... + 35292.

It is an arithmetic number, because the mean of its divisors is an integer number (1558095).

Almost surely, 2^10402772 is an apocalyptic number.

It is an amenable number.

10402772 is a deficient number, since it is larger than the sum of its proper divisors (8294368).

10402772 is a wasteful number, since it uses less digits than its factorization.

10402772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70330 (or 70328 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 10402772 is about 3225.3328510403. The cubic root of 10402772 is about 218.2979681015.

The spelling of 10402772 in words is "ten million, four hundred two thousand, seven hundred seventy-two".