80733730 has 32 divisors (see below), whose sum is σ = 181180800. Its totient is φ = 25163520.

The previous prime is 80733707. The next prime is 80733739. The reversal of 80733730 is 3733708.

It is a junction number, because it is equal to n+sod(n) for n = 80733692 and 80733701.

It is not an unprimeable number, because it can be changed into a prime (80733739) 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, 51655 + ... + 53194.

It is an arithmetic number, because the mean of its divisors is an integer number (5661900).

Almost surely, 2^80733730 is an apocalyptic number.

80733730 is an abundant number, since it is smaller than the sum of its proper divisors (100447070).

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

80733730 is a wasteful number, since it uses less digits than its factorization.

80733730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104874.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 80733730 is about 8985.1950451840. The cubic root of 80733730 is about 432.2002422452.

The spelling of 80733730 in words is "eighty million, seven hundred thirty-three thousand, seven hundred thirty".