743485873 has 16 divisors (see below), whose sum is σ = 821103696. Its totient is φ = 668989440.

The previous prime is 743485829. The next prime is 743485877. The reversal of 743485873 is 378584347.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 155326369 + 588159504 = 12463^2 + 24252^2 .

It is a de Polignac number, because none of the positive numbers 2^k-743485873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (743485877) 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 15 ways as a sum of consecutive naturals, for example, 85461 + ... + 93757.

It is an arithmetic number, because the mean of its divisors is an integer number (51318981).

Almost surely, 2^743485873 is an apocalyptic number.

It is an amenable number.

743485873 is a deficient number, since it is larger than the sum of its proper divisors (77617823).

743485873 is a wasteful number, since it uses less digits than its factorization.

743485873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8484.

The product of its digits is 2257920, while the sum is 49.

The square root of 743485873 is about 27266.9373601070. The cubic root of 743485873 is about 905.9222096143.

The spelling of 743485873 in words is "seven hundred forty-three million, four hundred eighty-five thousand, eight hundred seventy-three".