1057732 has 12 divisors (see below), whose sum is σ = 1993516. Its totient is φ = 488160.

The previous prime is 1057703. The next prime is 1057739. The reversal of 1057732 is 2377501.

It can be written as a sum of positive squares in 2 ways, for example, as 391876 + 665856 = 626^2 + 816^2 .

It is a super-2 number, since 2×1057732² = 2237593967648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1057697 and 1057706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057739) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 10119 + ... + 10222.

2^1057732 is an apocalyptic number.

It is an amenable number.

1057732 is a deficient number, since it is larger than the sum of its proper divisors (935784).

1057732 is a wasteful number, since it uses less digits than its factorization.

1057732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20358 (or 20356 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 1057732 is about 1028.4609861341. The cubic root of 1057732 is about 101.8885107603. Note that the first 3 decimals are identical.

It can be divided in two parts, 10577 and 32, that added together give a square (10609 = 103²).

The spelling of 1057732 in words is "one million, fifty-seven thousand, seven hundred thirty-two".