80744753 has 4 divisors (see below), whose sum is σ = 81544308. Its totient is φ = 79945200.

The previous prime is 80744749. The next prime is 80744759. The reversal of 80744753 is 35744708.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 66129424 + 14615329 = 8132^2 + 3823^2 .

It is a cyclic number.

It is not a de Polignac number, because 80744753 - 2² = 80744749 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80744759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399626 + ... + 399827.

It is an arithmetic number, because the mean of its divisors is an integer number (20386077).

Almost surely, 2^80744753 is an apocalyptic number.

It is an amenable number.

80744753 is a deficient number, since it is larger than the sum of its proper divisors (799555).

80744753 is a wasteful number, since it uses less digits than its factorization.

80744753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799554.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 80744753 is about 8985.8084221733. The cubic root of 80744753 is about 432.2199115394.

The spelling of 80744753 in words is "eighty million, seven hundred forty-four thousand, seven hundred fifty-three".