7852745 has 8 divisors (see below), whose sum is σ = 9601416. Its totient is φ = 6163456.

The previous prime is 7852727. The next prime is 7852751. The reversal of 7852745 is 5472587.

It can be written as a sum of positive squares in 4 ways, for example, as 3948169 + 3904576 = 1987^2 + 1976^2 .

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 7852745 - 2⁸ = 7852489 is a prime.

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

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7852699 and 7852708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14552 + ... + 15081.

It is an arithmetic number, because the mean of its divisors is an integer number (1200177).

Almost surely, 2^7852745 is an apocalyptic number.

It is an amenable number.

7852745 is a deficient number, since it is larger than the sum of its proper divisors (1748671).

7852745 is a wasteful number, since it uses less digits than its factorization.

7852745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29691.

The product of its digits is 78400, while the sum is 38.

The square root of 7852745 is about 2802.2749686639. The cubic root of 7852745 is about 198.7652678697.

The spelling of 7852745 in words is "seven million, eight hundred fifty-two thousand, seven hundred forty-five".