742484447 has 4 divisors (see below), whose sum is σ = 742539000. Its totient is φ = 742429896.

The previous prime is 742484437. The next prime is 742484471. The reversal of 742484447 is 744484247.

It is a semiprime because it is the product of two primes, 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 742484447 - 2⁶ = 742484383 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 742484398 and 742484407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742484437) 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, 11804 + ... + 40302.

It is an arithmetic number, because the mean of its divisors is an integer number (185634750).

Almost surely, 2^742484447 is an apocalyptic number.

742484447 is a deficient number, since it is larger than the sum of its proper divisors (54553).

742484447 is a wasteful number, since it uses less digits than its factorization.

742484447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54552.

The product of its digits is 802816, while the sum is 44.

The square root of 742484447 is about 27248.5677972256. The cubic root of 742484447 is about 905.5152878817.

The spelling of 742484447 in words is "seven hundred forty-two million, four hundred eighty-four thousand, four hundred forty-seven".