99792729 has 40 divisors (see below), whose sum is σ = 154492800. Its totient is φ = 64152000.

The previous prime is 99792697. The next prime is 99792733. The reversal of 99792729 is 92729799.

It is not a de Polignac number, because 99792729 - 2⁵ = 99792697 is a prime.

It is a super-2 number, since 2×99792729² = 19917177522534882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99792779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 501372 + ... + 501570.

It is an arithmetic number, because the mean of its divisors is an integer number (3862320).

Almost surely, 2^99792729 is an apocalyptic number.

It is an amenable number.

99792729 is a deficient number, since it is larger than the sum of its proper divisors (54700071).

99792729 is a wasteful number, since it uses less digits than its factorization.

99792729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403 (or 394 counting only the distinct ones).

The product of its digits is 1285956, while the sum is 54.

The square root of 99792729 is about 9989.6310742690. The cubic root of 99792729 is about 463.8379726210.

It can be divided in two parts, 9979272 and 9, that added together give a square (9979281 = 3159²).

The spelling of 99792729 in words is "ninety-nine million, seven hundred ninety-two thousand, seven hundred twenty-nine".