80000744 has 16 divisors (see below), whose sum is σ = 152832420. Its totient is φ = 39245440.

The previous prime is 80000737. The next prime is 80000749. The reversal of 80000744 is 44700008.

It can be written as a sum of positive squares in 2 ways, for example, as 76352644 + 3648100 = 8738^2 + 1910^2 .

It is not an unprimeable number, because it can be changed into a prime (80000749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93917 + ... + 94764.

Almost surely, 2^80000744 is an apocalyptic number.

It is an amenable number.

80000744 is a deficient number, since it is larger than the sum of its proper divisors (72831676).

80000744 is a wasteful number, since it uses less digits than its factorization.

80000744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188740 (or 188736 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 80000744 is about 8944.3135007668. The cubic root of 80000744 is about 430.8882737517. Note that the first 3 decimals are identical.

The spelling of 80000744 in words is "eighty million, seven hundred forty-four", and thus it is an aban number.