77630334 has 8 divisors (see below), whose sum is σ = 155260680. Its totient is φ = 25876776.

The previous prime is 77630327. The next prime is 77630363. The reversal of 77630334 is 43303677.

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

77630334 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 77630295 and 77630304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6469189 + ... + 6469200.

It is an arithmetic number, because the mean of its divisors is an integer number (19407585).

Almost surely, 2^77630334 is an apocalyptic number.

77630334 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.

77630334 is a wasteful number, since it uses less digits than its factorization.

77630334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12938394.

The product of its (nonzero) digits is 31752, while the sum is 33.

The square root of 77630334 is about 8810.8077949754. The cubic root of 77630334 is about 426.5898175665.

The spelling of 77630334 in words is "seventy-seven million, six hundred thirty thousand, three hundred thirty-four".