80632071 has 32 divisors (see below), whose sum is σ = 136221120. Its totient is φ = 46697472.

The previous prime is 80632049. The next prime is 80632087. The reversal of 80632071 is 17023608.

It is not a de Polignac number, because 80632071 - 2⁵ = 80632039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80632091) 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 31 ways as a sum of consecutive naturals, for example, 790 + ... + 12723.

It is an arithmetic number, because the mean of its divisors is an integer number (4256910).

Almost surely, 2^80632071 is an apocalyptic number.

80632071 is a deficient number, since it is larger than the sum of its proper divisors (55589049).

80632071 is a wasteful number, since it uses less digits than its factorization.

80632071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13552 (or 13546 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 80632071 is about 8979.5362352407. The cubic root of 80632071 is about 432.0187588305.

Adding to 80632071 its reverse (17023608), we get a palindrome (97655679).

The spelling of 80632071 in words is "eighty million, six hundred thirty-two thousand, seventy-one".