7321404563 has 32 divisors (see below), whose sum is σ = 8439137280. Its totient is φ = 6290784000.

The previous prime is 7321404511. The next prime is 7321404593. The reversal of 7321404563 is 3654041237.

It is a cyclic number.

It is not a de Polignac number, because 7321404563 - 2¹⁸ = 7321142419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7321404593) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4521368 + ... + 4522986.

It is an arithmetic number, because the mean of its divisors is an integer number (263723040).

Almost surely, 2^7321404563 is an apocalyptic number.

7321404563 is a deficient number, since it is larger than the sum of its proper divisors (1117732717).

7321404563 is a wasteful number, since it uses less digits than its factorization.

7321404563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979.

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 7321404563 is about 85565.2064977348. The cubic root of 7321404563 is about 1941.7715566547.

The spelling of 7321404563 in words is "seven billion, three hundred twenty-one million, four hundred four thousand, five hundred sixty-three".