77302976 has 28 divisors (see below), whose sum is σ = 154929840. Its totient is φ = 38265600.

The previous prime is 77302957. The next prime is 77302987. The reversal of 77302976 is 67920377.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485 + ... + 12443.

Almost surely, 2^77302976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77302976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77464920).

77302976 is an abundant number, since it is smaller than the sum of its proper divisors (77626864).

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

77302976 is a wasteful number, since it uses less digits than its factorization.

77302976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12072 (or 12062 counting only the distinct ones).

The product of its (nonzero) digits is 111132, while the sum is 41.

The square root of 77302976 is about 8792.2110984666. The cubic root of 77302976 is about 425.9893463506.

The spelling of 77302976 in words is "seventy-seven million, three hundred two thousand, nine hundred seventy-six".