7321564354 has 12 divisors (see below), whose sum is σ = 11892127266. Its totient is φ = 3379183392.

The previous prime is 7321564343. The next prime is 7321564387. The reversal of 7321564354 is 4534651237.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 5658800625 + 1662763729 = 75225^2 + 40777^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10830379 + ... + 10831054.

Almost surely, 2^7321564354 is an apocalyptic number.

7321564354 is a deficient number, since it is larger than the sum of its proper divisors (4570562912).

7321564354 is a wasteful number, since it uses less digits than its factorization.

7321564354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21661461 (or 21661448 counting only the distinct ones).

The product of its digits is 302400, while the sum is 40.

The square root of 7321564354 is about 85566.1402308179. The cubic root of 7321564354 is about 1941.7856830589.

The spelling of 7321564354 in words is "seven billion, three hundred twenty-one million, five hundred sixty-four thousand, three hundred fifty-four".