77330706 has 8 divisors (see below), whose sum is σ = 154661424. Its totient is φ = 25776900.

The previous prime is 77330683. The next prime is 77330707. The reversal of 77330706 is 60703377.

It is a sphenic number, since it is the product of 3 distinct primes.

77330706 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (77330707) 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, 6444220 + ... + 6444231.

It is an arithmetic number, because the mean of its divisors is an integer number (19332678).

Almost surely, 2^77330706 is an apocalyptic number.

77330706 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

77330706 is a wasteful number, since it uses less digits than its factorization.

77330706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12888456.

The product of its (nonzero) digits is 18522, while the sum is 33.

The square root of 77330706 is about 8793.7879210270. The cubic root of 77330706 is about 426.0402770003.

The spelling of 77330706 in words is "seventy-seven million, three hundred thirty thousand, seven hundred six".