732721067 has 4 divisors (see below), whose sum is σ = 789084240. Its totient is φ = 676357896.

The previous prime is 732721057. The next prime is 732721109. The reversal of 732721067 is 760127237.

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

It is a cyclic number.

It is not a de Polignac number, because 732721067 - 2⁸ = 732720811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (732721057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28181567 + ... + 28181592.

It is an arithmetic number, because the mean of its divisors is an integer number (197271060).

Almost surely, 2^732721067 is an apocalyptic number.

732721067 is a deficient number, since it is larger than the sum of its proper divisors (56363173).

732721067 is a wasteful number, since it uses less digits than its factorization.

732721067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56363172.

The product of its (nonzero) digits is 24696, while the sum is 35.

The square root of 732721067 is about 27068.8209384894. The cubic root of 732721067 is about 901.5287052224.

The spelling of 732721067 in words is "seven hundred thirty-two million, seven hundred twenty-one thousand, sixty-seven".