729948947 has 16 divisors (see below), whose sum is σ = 899048640. Its totient is φ = 577124352.

The previous prime is 729948943. The next prime is 729948977. The reversal of 729948947 is 749849927.

It is not a de Polignac number, because 729948947 - 2² = 729948943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (729948943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205079 + ... + 208607.

It is an arithmetic number, because the mean of its divisors is an integer number (56190540).

Almost surely, 2^729948947 is an apocalyptic number.

729948947 is a deficient number, since it is larger than the sum of its proper divisors (169099693).

729948947 is a wasteful number, since it uses less digits than its factorization.

729948947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5822.

The product of its digits is 9144576, while the sum is 59.

The square root of 729948947 is about 27017.5673775416. The cubic root of 729948947 is about 900.3903438461.

The spelling of 729948947 in words is "seven hundred twenty-nine million, nine hundred forty-eight thousand, nine hundred forty-seven".