80736737 has 2 divisors, whose sum is σ = 80736738. Its totient is φ = 80736736.

The previous prime is 80736731. The next prime is 80736763. The reversal of 80736737 is 73763708.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40844881 + 39891856 = 6391^2 + 6316^2 .

It is a cyclic number.

It is not a de Polignac number, because 80736737 - 2¹⁰ = 80735713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80736694 and 80736703.

It is not a weakly prime, because it can be changed into another prime (80736731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40368368 + 40368369.

It is an arithmetic number, because the mean of its divisors is an integer number (40368369).

Almost surely, 2^80736737 is an apocalyptic number.

It is an amenable number.

80736737 is a deficient number, since it is larger than the sum of its proper divisors (1).

80736737 is an equidigital number, since it uses as much as digits as its factorization.

80736737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 148176, while the sum is 41.

The square root of 80736737 is about 8985.3623744399. The cubic root of 80736737 is about 432.2056080735.

The spelling of 80736737 in words is "eighty million, seven hundred thirty-six thousand, seven hundred thirty-seven".