6435745 has 16 divisors (see below), whose sum is σ = 8128512. Its totient is φ = 4882240.

The previous prime is 6435739. The next prime is 6435763. The reversal of 6435745 is 5475346.

It is a happy number.

It is not a de Polignac number, because 6435745 - 2⁵ = 6435713 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 6435745.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21819 + ... + 22111.

It is an arithmetic number, because the mean of its divisors is an integer number (508032).

Almost surely, 2^6435745 is an apocalyptic number.

6435745 is the 1465-th octagonal number.

It is an amenable number.

6435745 is a deficient number, since it is larger than the sum of its proper divisors (1692767).

6435745 is a wasteful number, since it uses less digits than its factorization.

6435745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512.

The product of its digits is 50400, while the sum is 34.

The square root of 6435745 is about 2536.8770171216. The cubic root of 6435745 is about 186.0085651430.

The spelling of 6435745 in words is "six million, four hundred thirty-five thousand, seven hundred forty-five".