77630744 has 16 divisors (see below), whose sum is σ = 145704120. Its totient is φ = 38776320.

The previous prime is 77630737. The next prime is 77630797. The reversal of 77630744 is 44703677.

It is a junction number, because it is equal to n+sod(n) for n = 77630698 and 77630707.

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, 4664 + ... + 13304.

Almost surely, 2^77630744 is an apocalyptic number.

It is an amenable number.

77630744 is a deficient number, since it is larger than the sum of its proper divisors (68073376).

77630744 is a wasteful number, since it uses less digits than its factorization.

77630744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9770 (or 9766 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 38.

The square root of 77630744 is about 8810.8310618239. The cubic root of 77630744 is about 426.5905685681.

The spelling of 77630744 in words is "seventy-seven million, six hundred thirty thousand, seven hundred forty-four".