80744457 has 8 divisors (see below), whose sum is σ = 110285280. Its totient is φ = 52516640.

The previous prime is 80744453. The next prime is 80744483. The reversal of 80744457 is 75444708.

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 80744457 - 2² = 80744453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80744453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328107 + ... + 328352.

It is an arithmetic number, because the mean of its divisors is an integer number (13785660).

Almost surely, 2^80744457 is an apocalyptic number.

It is an amenable number.

80744457 is a deficient number, since it is larger than the sum of its proper divisors (29540823).

80744457 is a wasteful number, since it uses less digits than its factorization.

80744457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656503.

The product of its (nonzero) digits is 125440, while the sum is 39.

The square root of 80744457 is about 8985.7919517425. The cubic root of 80744457 is about 432.2193833844.

The spelling of 80744457 in words is "eighty million, seven hundred forty-four thousand, four hundred fifty-seven".