1682531272 has 8 divisors (see below), whose sum is σ = 3154746150. Its totient is φ = 841265632.

The previous prime is 1682531203. The next prime is 1682531273. The reversal of 1682531272 is 2721352861.

It can be written as a sum of positive squares in only one way, i.e., 1177450596 + 505080676 = 34314^2 + 22474^2 .

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

It is a super-2 number, since 2×1682531272² = 5661822962515875968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1682531273) 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, 105158197 + ... + 105158212.

Almost surely, 2^1682531272 is an apocalyptic number.

It is an amenable number.

1682531272 is a deficient number, since it is larger than the sum of its proper divisors (1472214878).

1682531272 is a wasteful number, since it uses less digits than its factorization.

1682531272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210316415 (or 210316411 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 1682531272 is about 41018.6697980322. The cubic root of 1682531272 is about 1189.3811418636.

The spelling of 1682531272 in words is "one billion, six hundred eighty-two million, five hundred thirty-one thousand, two hundred seventy-two".