80794240 has 32 divisors (see below), whose sum is σ = 193150260. Its totient is φ = 32317440.

The previous prime is 80794229. The next prime is 80794247. The reversal of 80794240 is 4249708.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 71503936 + 9290304 = 8456^2 + 3048^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 80794196 and 80794205.

It is not an unprimeable number, because it can be changed into a prime (80794247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62481 + ... + 63760.

Almost surely, 2^80794240 is an apocalyptic number.

80794240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80794240 is an abundant number, since it is smaller than the sum of its proper divisors (112356020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80794240 is a wasteful number, since it uses less digits than its factorization.

80794240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126260 (or 126248 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 80794240 is about 8988.5616201926. The cubic root of 80794240 is about 432.3081934308.

The spelling of 80794240 in words is "eighty million, seven hundred ninety-four thousand, two hundred forty".