77030328 has 16 divisors (see below), whose sum is σ = 192575880. Its totient is φ = 25676768.

The previous prime is 77030311. The next prime is 77030399. The reversal of 77030328 is 82303077.

It is a junction number, because it is equal to n+sod(n) for n = 77030295 and 77030304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1604775 + ... + 1604822.

Almost surely, 2^77030328 is an apocalyptic number.

It is an amenable number.

77030328 is an abundant number, since it is smaller than the sum of its proper divisors (115545552).

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

77030328 is a wasteful number, since it uses less digits than its factorization.

77030328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3209606 (or 3209602 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 77030328 is about 8776.6923154455. The cubic root of 77030328 is about 425.4879341770.

The spelling of 77030328 in words is "seventy-seven million, thirty thousand, three hundred twenty-eight".