7361643 has 16 divisors (see below), whose sum is σ = 10137600. Its totient is φ = 4749024.

The previous prime is 7361639. The next prime is 7361659. The reversal of 7361643 is 3461637.

It is not a de Polignac number, because 7361643 - 2² = 7361639 is a prime.

7361643 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 7361643.

It is not an unprimeable number, because it can be changed into a prime (7361623) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 19030 + ... + 19412.

It is an arithmetic number, because the mean of its divisors is an integer number (633600).

Almost surely, 2^7361643 is an apocalyptic number.

7361643 is a deficient number, since it is larger than the sum of its proper divisors (2775957).

7361643 is a wasteful number, since it uses less digits than its factorization.

7361643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578.

The product of its digits is 9072, while the sum is 30.

The square root of 7361643 is about 2713.2347852702. The cubic root of 7361643 is about 194.5322384734.

It can be divided in two parts, 73 and 61643, that added together give a palindrome (61716).

The spelling of 7361643 in words is "seven million, three hundred sixty-one thousand, six hundred forty-three".