77030628 has 24 divisors (see below), whose sum is σ = 179965632. Its totient is φ = 25644384.

The previous prime is 77030623. The next prime is 77030647. The reversal of 77030628 is 82603077.

It is not an unprimeable number, because it can be changed into a prime (77030623) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7026 + ... + 14262.

It is an arithmetic number, because the mean of its divisors is an integer number (7498568).

Almost surely, 2^77030628 is an apocalyptic number.

It is an amenable number.

77030628 is an abundant number, since it is smaller than the sum of its proper divisors (102935004).

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

77030628 is a wasteful number, since it uses less digits than its factorization.

77030628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8131 (or 8129 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 77030628 is about 8776.7094061499. The cubic root of 77030628 is about 425.4884865404.

The spelling of 77030628 in words is "seventy-seven million, thirty thousand, six hundred twenty-eight".