1682306775 has 18 divisors (see below), whose sum is σ = 3013198760. Its totient is φ = 897230160.

The previous prime is 1682306741. The next prime is 1682306777. The reversal of 1682306775 is 5776032861.

It is not a de Polignac number, because 1682306775 - 2¹² = 1682302679 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1682306775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1682306777) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3738235 + ... + 3738684.

Almost surely, 2^1682306775 is an apocalyptic number.

1682306775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1682306775 is a deficient number, since it is larger than the sum of its proper divisors (1330891985).

1682306775 is a wasteful number, since it uses less digits than its factorization.

1682306775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7476935 (or 7476927 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 1682306775 is about 41015.9331845565. The cubic root of 1682306775 is about 1189.3282405438.

The spelling of 1682306775 in words is "one billion, six hundred eighty-two million, three hundred six thousand, seven hundred seventy-five".