731673936 has 60 divisors (see below), whose sum is σ = 2340198432. Its totient is φ = 209049408.

The previous prime is 731673919. The next prime is 731673941. The reversal of 731673936 is 639376137.

731673936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 731673891 and 731673900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 361926 + ... + 363941.

Almost surely, 2^731673936 is an apocalyptic number.

It is an amenable number.

731673936 is an abundant number, since it is smaller than the sum of its proper divisors (1608524496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

731673936 is a wasteful number, since it uses less digits than its factorization.

731673936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725888 (or 725879 counting only the distinct ones).

The product of its digits is 428652, while the sum is 45.

The square root of 731673936 is about 27049.4720096345. The cubic root of 731673936 is about 901.0990425339.

The spelling of 731673936 in words is "seven hundred thirty-one million, six hundred seventy-three thousand, nine hundred thirty-six".