743828073 has 8 divisors (see below), whose sum is σ = 1034891328. Its totient is φ = 474325104.

The previous prime is 743828039. The next prime is 743828089. The reversal of 743828073 is 370828347.

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

It is not a de Polignac number, because 743828073 - 2⁶ = 743828009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (743828773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5389990 + ... + 5390127.

It is an arithmetic number, because the mean of its divisors is an integer number (129361416).

Almost surely, 2^743828073 is an apocalyptic number.

It is an amenable number.

743828073 is a deficient number, since it is larger than the sum of its proper divisors (291063255).

743828073 is a wasteful number, since it uses less digits than its factorization.

743828073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10780143.

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 743828073 is about 27273.2116370625. The cubic root of 743828073 is about 906.0611761779.

It can be divided in two parts, 7438 and 28073, that added together give a triangular number (35511 = T₂₆₆).

The spelling of 743828073 in words is "seven hundred forty-three million, eight hundred twenty-eight thousand, seventy-three".