6450745 has 16 divisors (see below), whose sum is σ = 8962560. Its totient is φ = 4365504.

The previous prime is 6450737. The next prime is 6450749. The reversal of 6450745 is 5470546.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6450745 - 2³ = 6450737 is a prime.

It is a super-2 number, since 2×6450745² = 83224222110050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6450749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1599 + ... + 3931.

It is an arithmetic number, because the mean of its divisors is an integer number (560160).

Almost surely, 2^6450745 is an apocalyptic number.

It is an amenable number.

6450745 is a deficient number, since it is larger than the sum of its proper divisors (2511815).

6450745 is a wasteful number, since it uses less digits than its factorization.

6450745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 6450745 is about 2539.8316873368. The cubic root of 6450745 is about 186.1529650842.

The spelling of 6450745 in words is "six million, four hundred fifty thousand, seven hundred forty-five".