7162745 has 4 divisors (see below), whose sum is σ = 8595300. Its totient is φ = 5730192.

The previous prime is 7162733. The next prime is 7162747. The reversal of 7162745 is 5472617.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5472617 = 1549 ⋅3533.

It can be written as a sum of positive squares in 2 ways, for example, as 2050624 + 5112121 = 1432^2 + 2261^2 .

It is a cyclic number.

It is not a de Polignac number, because 7162745 - 2¹⁸ = 6900601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7162747) 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, 716270 + ... + 716279.

It is an arithmetic number, because the mean of its divisors is an integer number (2148825).

Almost surely, 2^7162745 is an apocalyptic number.

It is an amenable number.

7162745 is a deficient number, since it is larger than the sum of its proper divisors (1432555).

7162745 is a wasteful number, since it uses less digits than its factorization.

7162745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432554.

The product of its digits is 11760, while the sum is 32.

The square root of 7162745 is about 2676.3305102322. The cubic root of 7162745 is about 192.7642516924.

The spelling of 7162745 in words is "seven million, one hundred sixty-two thousand, seven hundred forty-five".