80671754 has 4 divisors (see below), whose sum is σ = 121007634. Its totient is φ = 40335876.

The previous prime is 80671753. The next prime is 80671757. The reversal of 80671754 is 45717608.

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

It can be written as a sum of positive squares in only one way, i.e., 40666129 + 40005625 = 6377^2 + 6325^2 .

It is not an unprimeable number, because it can be changed into a prime (80671751) 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 as a sum of consecutive naturals, namely, 20167937 + ... + 20167940.

Almost surely, 2^80671754 is an apocalyptic number.

80671754 is a deficient number, since it is larger than the sum of its proper divisors (40335880).

80671754 is a wasteful number, since it uses less digits than its factorization.

80671754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40335879.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 80671754 is about 8981.7455987130. The cubic root of 80671754 is about 432.0896197527.

The spelling of 80671754 in words is "eighty million, six hundred seventy-one thousand, seven hundred fifty-four".