729692973280 has 24 divisors (see below), whose sum is σ = 1723899649752. Its totient is φ = 291877189248.

The previous prime is 729692973263. The next prime is 729692973283. The reversal of 729692973280 is 82379296927.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729692973283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2280290382 + ... + 2280290701.

It is an arithmetic number, because the mean of its divisors is an integer number (71829152073).

Almost surely, 2^729692973280 is an apocalyptic number.

It is an amenable number.

729692973280 is an abundant number, since it is smaller than the sum of its proper divisors (994206676472).

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

729692973280 is a wasteful number, since it uses less digits than its factorization.

729692973280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4560581098 (or 4560581090 counting only the distinct ones).

The product of its (nonzero) digits is 41150592, while the sum is 64.

The spelling of 729692973280 in words is "seven hundred twenty-nine billion, six hundred ninety-two million, nine hundred seventy-three thousand, two hundred eighty".