742838473 has 8 divisors (see below), whose sum is σ = 802277000. Its totient is φ = 683728128.

The previous prime is 742838441. The next prime is 742838489. The reversal of 742838473 is 374838247.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 76527504 + 666310969 = 8748^2 + 25813^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 742838473 - 2⁵ = 742838441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (742838773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77328 + ... + 86401.

It is an arithmetic number, because the mean of its divisors is an integer number (100284625).

Almost surely, 2^742838473 is an apocalyptic number.

It is an amenable number.

742838473 is a deficient number, since it is larger than the sum of its proper divisors (59438527).

742838473 is a wasteful number, since it uses less digits than its factorization.

742838473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164091.

The product of its digits is 903168, while the sum is 46.

The square root of 742838473 is about 27255.0632543753. The cubic root of 742838473 is about 905.6591854042.

The spelling of 742838473 in words is "seven hundred forty-two million, eight hundred thirty-eight thousand, four hundred seventy-three".