9315745 has 8 divisors (see below), whose sum is σ = 11836584. Its totient is φ = 7014144.

The previous prime is 9315731. The next prime is 9315751. The reversal of 9315745 is 5475139.

It can be written as a sum of positive squares in 4 ways, for example, as 5202961 + 4112784 = 2281^2 + 2028^2 .

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 9315745 - 2¹³ = 9307553 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9315745.

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, 54714 + ... + 54883.

It is an arithmetic number, because the mean of its divisors is an integer number (1479573).

Almost surely, 2^9315745 is an apocalyptic number.

It is an amenable number.

9315745 is a deficient number, since it is larger than the sum of its proper divisors (2520839).

9315745 is a wasteful number, since it uses less digits than its factorization.

9315745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109619.

The product of its digits is 18900, while the sum is 34.

The square root of 9315745 is about 3052.1705391410. The cubic root of 9315745 is about 210.4129817129.

Subtracting from 9315745 its reverse (5475139), we obtain a triangular number (3840606 = T₂₇₇₁).

It can be divided in two parts, 9315 and 745, that multiplied together give a triangular number (6939675 = T₃₇₂₅).

The spelling of 9315745 in words is "nine million, three hundred fifteen thousand, seven hundred forty-five".