729495045 has 16 divisors (see below), whose sum is σ = 1296880320. Its totient is φ = 389063952.

The previous prime is 729495017. The next prime is 729495049. The reversal of 729495045 is 540594927.

It is not a de Polignac number, because 729495045 - 2⁶ = 729494981 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729495049) 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, 2701699 + ... + 2701968.

It is an arithmetic number, because the mean of its divisors is an integer number (81055020).

Almost surely, 2^729495045 is an apocalyptic number.

It is an amenable number.

729495045 is a deficient number, since it is larger than the sum of its proper divisors (567385275).

729495045 is a wasteful number, since it uses less digits than its factorization.

729495045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5403681 (or 5403675 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 729495045 is about 27009.1659441753. The cubic root of 729495045 is about 900.2036761255.

The spelling of 729495045 in words is "seven hundred twenty-nine million, four hundred ninety-five thousand, forty-five".