7253705 has 4 divisors (see below), whose sum is σ = 8704452. Its totient is φ = 5802960.

The previous prime is 7253699. The next prime is 7253707. The reversal of 7253705 is 5073527.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5073527 = 43 ⋅117989.

It can be written as a sum of positive squares in 2 ways, for example, as 3853369 + 3400336 = 1963^2 + 1844^2 .

It is not a de Polignac number, because 7253705 - 2⁶ = 7253641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7253707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 725366 + ... + 725375.

It is an arithmetic number, because the mean of its divisors is an integer number (2176113).

Almost surely, 2^7253705 is an apocalyptic number.

It is an amenable number.

7253705 is a deficient number, since it is larger than the sum of its proper divisors (1450747).

7253705 is a wasteful number, since it uses less digits than its factorization.

7253705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450746.

The product of its (nonzero) digits is 7350, while the sum is 29.

The square root of 7253705 is about 2693.2703169196. The cubic root of 7253705 is about 193.5767956076.

The spelling of 7253705 in words is "seven million, two hundred fifty-three thousand, seven hundred five".