729923274 has 24 divisors (see below), whose sum is σ = 1595500452. Its totient is φ = 241153920.

The previous prime is 729923273. The next prime is 729923297. The reversal of 729923274 is 472329927.

It can be written as a sum of positive squares in 2 ways, for example, as 580472649 + 149450625 = 24093^2 + 12225^2 .

It is not an unprimeable number, because it can be changed into a prime (729923273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 177397 + ... + 181464.

Almost surely, 2^729923274 is an apocalyptic number.

729923274 is an abundant number, since it is smaller than the sum of its proper divisors (865577178).

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

729923274 is a wasteful number, since it uses less digits than its factorization.

729923274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358982 (or 358979 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 729923274 is about 27017.0922565697. The cubic root of 729923274 is about 900.3797878603.

The spelling of 729923274 in words is "seven hundred twenty-nine million, nine hundred twenty-three thousand, two hundred seventy-four".