8078730 has 32 divisors (see below), whose sum is σ = 21152448. Its totient is φ = 1958400.

The previous prime is 8078701. The next prime is 8078747. The reversal of 8078730 is 378708.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8078691 and 8078700.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11911 + ... + 12570.

It is an arithmetic number, because the mean of its divisors is an integer number (661014).

Almost surely, 2^8078730 is an apocalyptic number.

8078730 is an abundant number, since it is smaller than the sum of its proper divisors (13073718).

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

8078730 is a wasteful number, since it uses less digits than its factorization.

8078730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24502.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 8078730 is about 2842.3106797111. The cubic root of 8078730 is about 200.6539427970.

The spelling of 8078730 in words is "eight million, seventy-eight thousand, seven hundred thirty".