532721667 has 4 divisors (see below), whose sum is σ = 710295560. Its totient is φ = 355147776.

The previous prime is 532721611. The next prime is 532721669. The reversal of 532721667 is 766127235.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 532721667 - 2¹⁵ = 532688899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (532721669) 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, 88786942 + ... + 88786947.

It is an arithmetic number, because the mean of its divisors is an integer number (177573890).

Almost surely, 2^532721667 is an apocalyptic number.

532721667 is a deficient number, since it is larger than the sum of its proper divisors (177573893).

532721667 is a wasteful number, since it uses less digits than its factorization.

532721667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177573892.

The product of its digits is 105840, while the sum is 39.

The square root of 532721667 is about 23080.7640038193. The cubic root of 532721667 is about 810.6501242989.

The spelling of 532721667 in words is "five hundred thirty-two million, seven hundred twenty-one thousand, six hundred sixty-seven".