3242745 has 24 divisors (see below), whose sum is σ = 6132672. Its totient is φ = 1572000.

The previous prime is 3242741. The next prime is 3242753. The reversal of 3242745 is 5472423.

It is not a de Polignac number, because 3242745 - 2² = 3242741 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

3242745 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3242741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2781 + ... + 3770.

It is an arithmetic number, because the mean of its divisors is an integer number (255528).

Almost surely, 2^3242745 is an apocalyptic number.

It is an amenable number.

3242745 is a deficient number, since it is larger than the sum of its proper divisors (2889927).

3242745 is a wasteful number, since it uses less digits than its factorization.

3242745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6573 (or 6570 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 3242745 is about 1800.7623385666. The cubic root of 3242745 is about 148.0145012575.

The spelling of 3242745 in words is "three million, two hundred forty-two thousand, seven hundred forty-five".