80506737 has 16 divisors (see below), whose sum is σ = 120329280. Its totient is φ = 53194176.

The previous prime is 80506729. The next prime is 80506787. The reversal of 80506737 is 73760508.

80506737 is a `hidden beast` number, since 80 + 506 + 73 + 7 = 666.

It is not a de Polignac number, because 80506737 - 2³ = 80506729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80506787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10143 + ... + 16244.

It is an arithmetic number, because the mean of its divisors is an integer number (7520580).

Almost surely, 2^80506737 is an apocalyptic number.

It is an amenable number.

80506737 is a deficient number, since it is larger than the sum of its proper divisors (39822543).

80506737 is a wasteful number, since it uses less digits than its factorization.

80506737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26509 (or 26503 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 80506737 is about 8972.5546529403. The cubic root of 80506737 is about 431.7948003081.

The spelling of 80506737 in words is "eighty million, five hundred six thousand, seven hundred thirty-seven".