80752747 has 8 divisors (see below), whose sum is σ = 84395520. Its totient is φ = 77121000.

The previous prime is 80752697. The next prime is 80752757. The reversal of 80752747 is 74725708.

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 80752747 - 2¹⁹ = 80228459 is a prime.

It is a super-2 number, since 2×80752747² = 13042012296092018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80752757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14622 + ... + 19372.

It is an arithmetic number, because the mean of its divisors is an integer number (10549440).

Almost surely, 2^80752747 is an apocalyptic number.

80752747 is a deficient number, since it is larger than the sum of its proper divisors (3642773).

80752747 is a wasteful number, since it uses less digits than its factorization.

80752747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5513.

The product of its (nonzero) digits is 109760, while the sum is 40.

The square root of 80752747 is about 8986.2532236745. The cubic root of 80752747 is about 432.2341748066.

The spelling of 80752747 in words is "eighty million, seven hundred fifty-two thousand, seven hundred forty-seven".