724741619 has 4 divisors (see below), whose sum is σ = 828276144. Its totient is φ = 621207096.

The previous prime is 724741597. The next prime is 724741679. The reversal of 724741619 is 916147427.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-724741619 is a prime.

It is a super-2 number, since 2×724741619² = 1050500828621482322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (724741679) 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, 51767252 + ... + 51767265.

It is an arithmetic number, because the mean of its divisors is an integer number (207069036).

Almost surely, 2^724741619 is an apocalyptic number.

724741619 is a deficient number, since it is larger than the sum of its proper divisors (103534525).

724741619 is a wasteful number, since it uses less digits than its factorization.

724741619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103534524.

The product of its digits is 84672, while the sum is 41.

The square root of 724741619 is about 26921.0255933908. The cubic root of 724741619 is about 898.2441565227.

The spelling of 724741619 in words is "seven hundred twenty-four million, seven hundred forty-one thousand, six hundred nineteen".