732728461 has 4 divisors (see below), whose sum is σ = 732908800. Its totient is φ = 732548124.

The previous prime is 732728459. The next prime is 732728467. The reversal of 732728461 is 164827237.

732728461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 732728461 - 2¹ = 732728459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (732728467) 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, 83931 + ... + 92248.

It is an arithmetic number, because the mean of its divisors is an integer number (183227200).

Almost surely, 2^732728461 is an apocalyptic number.

It is an amenable number.

732728461 is a deficient number, since it is larger than the sum of its proper divisors (180339).

732728461 is a wasteful number, since it uses less digits than its factorization.

732728461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180338.

The product of its digits is 112896, while the sum is 40.

The square root of 732728461 is about 27068.9575159443. The cubic root of 732728461 is about 901.5317377001.

The spelling of 732728461 in words is "seven hundred thirty-two million, seven hundred twenty-eight thousand, four hundred sixty-one".