729452687 has 2 divisors, whose sum is σ = 729452688. Its totient is φ = 729452686.

The previous prime is 729452663. The next prime is 729452699. The reversal of 729452687 is 786254927.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 729452687 - 2⁸ = 729452431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (729452287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364726343 + 364726344.

It is an arithmetic number, because the mean of its divisors is an integer number (364726344).

Almost surely, 2^729452687 is an apocalyptic number.

729452687 is a deficient number, since it is larger than the sum of its proper divisors (1).

729452687 is an equidigital number, since it uses as much as digits as its factorization.

729452687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 50.

The square root of 729452687 is about 27008.3817915846. The cubic root of 729452687 is about 900.1862523994.

The spelling of 729452687 in words is "seven hundred twenty-nine million, four hundred fifty-two thousand, six hundred eighty-seven".