7254745 has 16 divisors (see below), whose sum is σ = 9136512. Its totient is φ = 5523840.

The previous prime is 7254743. The next prime is 7254749. The reversal of 7254745 is 5474527.

7254745 = 256² + 257² + ... + 337².

It is not a de Polignac number, because 7254745 - 2¹ = 7254743 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

7254745 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 7254745.

It is not an unprimeable number, because it can be changed into a prime (7254743) 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, 8404 + ... + 9226.

It is an arithmetic number, because the mean of its divisors is an integer number (571032).

Almost surely, 2^7254745 is an apocalyptic number.

It is an amenable number.

7254745 is a deficient number, since it is larger than the sum of its proper divisors (1881767).

7254745 is a wasteful number, since it uses less digits than its factorization.

With its successor (7254746) it forms an eRAP, since the sums of their prime factors are consecutive (912 and 913).

7254745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912.

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

The square root of 7254745 is about 2693.4633838239. The cubic root of 7254745 is about 193.5860465235.

The spelling of 7254745 in words is "seven million, two hundred fifty-four thousand, seven hundred forty-five".