729574274 has 128 divisors (see below), whose sum is σ = 1439907840. Its totient is φ = 272160000.

The previous prime is 729574273. The next prime is 729574289. The reversal of 729574274 is 472475927.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (729574271) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10275659 + ... + 10275729.

It is an arithmetic number, because the mean of its divisors is an integer number (11249280).

Almost surely, 2^729574274 is an apocalyptic number.

729574274 is a deficient number, since it is larger than the sum of its proper divisors (710333566).

729574274 is a wasteful number, since it uses less digits than its factorization.

729574274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208.

The product of its digits is 987840, while the sum is 47.

The square root of 729574274 is about 27010.6326101408. The cubic root of 729574274 is about 900.2362647202.

The spelling of 729574274 in words is "seven hundred twenty-nine million, five hundred seventy-four thousand, two hundred seventy-four".