724628141 has 4 divisors (see below), whose sum is σ = 724682784. Its totient is φ = 724573500.

The previous prime is 724628129. The next prime is 724628173. The reversal of 724628141 is 141826427.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 724628141 - 2¹⁰ = 724627117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (724628101) 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, 6656 + ... + 38646.

It is an arithmetic number, because the mean of its divisors is an integer number (181170696).

Almost surely, 2^724628141 is an apocalyptic number.

It is an amenable number.

724628141 is a deficient number, since it is larger than the sum of its proper divisors (54643).

724628141 is a wasteful number, since it uses less digits than its factorization.

724628141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54642.

The product of its digits is 21504, while the sum is 35.

The square root of 724628141 is about 26918.9179017285. The cubic root of 724628141 is about 898.1972725629.

The spelling of 724628141 in words is "seven hundred twenty-four million, six hundred twenty-eight thousand, one hundred forty-one".