7253535745 has 8 divisors (see below), whose sum is σ = 8868474216. Its totient is φ = 5693341056.

The previous prime is 7253535701. The next prime is 7253535769. The reversal of 7253535745 is 5475353527.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2546615296 + 4706920449 = 50464^2 + 68607^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7253535745 - 2¹³ = 7253527553 is a prime.

It is a super-2 number, since 2×7253535745² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7253535695 and 7253535704.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13685652 + ... + 13686181.

It is an arithmetic number, because the mean of its divisors is an integer number (1108559277).

Almost surely, 2^7253535745 is an apocalyptic number.

It is an amenable number.

7253535745 is a deficient number, since it is larger than the sum of its proper divisors (1614938471).

7253535745 is a wasteful number, since it uses less digits than its factorization.

7253535745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27371891.

The product of its digits is 2205000, while the sum is 46.

The square root of 7253535745 is about 85167.6919083757. The cubic root of 7253535745 is about 1935.7528998179.

It can be divided in two parts, 725 and 3535745, that added together give a triangular number (3536470 = T₂₆₅₉).

The spelling of 7253535745 in words is "seven billion, two hundred fifty-three million, five hundred thirty-five thousand, seven hundred forty-five".