80753729 has 8 divisors (see below), whose sum is σ = 95267328. Its totient is φ = 66984480.

The previous prime is 80753711. The next prime is 80753737. The reversal of 80753729 is 92735708.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80753729 - 2²⁴ = 63976513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80753779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185852 + ... + 186285.

It is an arithmetic number, because the mean of its divisors is an integer number (11908416).

Almost surely, 2^80753729 is an apocalyptic number.

It is an amenable number.

80753729 is a deficient number, since it is larger than the sum of its proper divisors (14513599).

80753729 is a wasteful number, since it uses less digits than its factorization.

80753729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372175.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 80753729 is about 8986.3078625206. The cubic root of 80753729 is about 432.2359268718.

The spelling of 80753729 in words is "eighty million, seven hundred fifty-three thousand, seven hundred twenty-nine".