80133736 has 8 divisors (see below), whose sum is σ = 150250770. Its totient is φ = 40066864.

The previous prime is 80133719. The next prime is 80133763. The reversal of 80133736 is 63733108.

It can be written as a sum of positive squares in only one way, i.e., 77264100 + 2869636 = 8790^2 + 1694^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 80133698 and 80133707.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5008351 + ... + 5008366.

Almost surely, 2^80133736 is an apocalyptic number.

It is an amenable number.

80133736 is a deficient number, since it is larger than the sum of its proper divisors (70117034).

80133736 is a wasteful number, since it uses less digits than its factorization.

80133736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10016723 (or 10016719 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 80133736 is about 8951.7448578475. The cubic root of 80133736 is about 431.1269089010.

The spelling of 80133736 in words is "eighty million, one hundred thirty-three thousand, seven hundred thirty-six".