80755730 has 16 divisors (see below), whose sum is σ = 158575104. Its totient is φ = 29365680.

The previous prime is 80755711. The next prime is 80755733. The reversal of 80755730 is 3755708.

It is not an unprimeable number, because it can be changed into a prime (80755733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366962 + ... + 367181.

It is an arithmetic number, because the mean of its divisors is an integer number (9910944).

Almost surely, 2^80755730 is an apocalyptic number.

80755730 is a deficient number, since it is larger than the sum of its proper divisors (77819374).

80755730 is a wasteful number, since it uses less digits than its factorization.

80755730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734161.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 80755730 is about 8986.4191978785. The cubic root of 80755730 is about 432.2394969730.

The spelling of 80755730 in words is "eighty million, seven hundred fifty-five thousand, seven hundred thirty".