7245745 has 16 divisors (see below), whose sum is σ = 9858240. Its totient is φ = 5068224.

The previous prime is 7245743. The next prime is 7245751. The reversal of 7245745 is 5475427.

It is a cyclic number.

It is not a de Polignac number, because 7245745 - 2¹ = 7245743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7245745.

It is not an unprimeable number, because it can be changed into a prime (7245743) 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, 1699 + ... + 4168.

It is an arithmetic number, because the mean of its divisors is an integer number (616140).

Almost surely, 2^7245745 is an apocalyptic number.

It is an amenable number.

7245745 is a deficient number, since it is larger than the sum of its proper divisors (2612495).

7245745 is a wasteful number, since it uses less digits than its factorization.

7245745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5904.

The product of its digits is 39200, while the sum is 34.

The square root of 7245745 is about 2691.7921539376. The cubic root of 7245745 is about 193.5059612191.

The spelling of 7245745 in words is "seven million, two hundred forty-five thousand, seven hundred forty-five".