729012472 has 16 divisors (see below), whose sum is σ = 1400238000. Its totient is φ = 355615680.

The previous prime is 729012457. The next prime is 729012481. The reversal of 729012472 is 274210927.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1110972 + ... + 1111627.

It is an arithmetic number, because the mean of its divisors is an integer number (87514875).

Almost surely, 2^729012472 is an apocalyptic number.

It is an amenable number.

729012472 is a deficient number, since it is larger than the sum of its proper divisors (671225528).

729012472 is a wasteful number, since it uses less digits than its factorization.

729012472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222646 (or 2222642 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 729012472 is about 27000.2309619751. The cubic root of 729012472 is about 900.0051324810.

The spelling of 729012472 in words is "seven hundred twenty-nine million, twelve thousand, four hundred seventy-two".