80711674 has 4 divisors (see below), whose sum is σ = 121067514. Its totient is φ = 40355836.

The previous prime is 80711641. The next prime is 80711681. The reversal of 80711674 is 47611708.

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., 47706649 + 33005025 = 6907^2 + 5745^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20177917 + ... + 20177920.

Almost surely, 2^80711674 is an apocalyptic number.

80711674 is a deficient number, since it is larger than the sum of its proper divisors (40355840).

80711674 is a wasteful number, since it uses less digits than its factorization.

80711674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40355839.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 80711674 is about 8983.9676090244. The cubic root of 80711674 is about 432.1608804371.

Adding to 80711674 its sum of digits (34), we get a palindrome (80711708).

The spelling of 80711674 in words is "eighty million, seven hundred eleven thousand, six hundred seventy-four".