1712732645 has 32 divisors (see below), whose sum is σ = 2262484224. Its totient is φ = 1237017600.

The previous prime is 1712732641. The next prime is 1712732731. The reversal of 1712732645 is 5462372171.

It is not a de Polignac number, because 1712732645 - 2² = 1712732641 is a prime.

It is a super-2 number, since 2×1712732645² = 5866906226497392050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1712732599 and 1712732608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1712732641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 603149 + ... + 605981.

It is an arithmetic number, because the mean of its divisors is an integer number (70702632).

Almost surely, 2^1712732645 is an apocalyptic number.

It is an amenable number.

1712732645 is a deficient number, since it is larger than the sum of its proper divisors (549751579).

1712732645 is a wasteful number, since it uses less digits than its factorization.

1712732645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3053.

The product of its digits is 70560, while the sum is 38.

The square root of 1712732645 is about 41385.1742173450. The cubic root of 1712732645 is about 1196.4554303769.

The spelling of 1712732645 in words is "one billion, seven hundred twelve million, seven hundred thirty-two thousand, six hundred forty-five".