77733748 has 12 divisors (see below), whose sum is σ = 136226272. Its totient is φ = 38811960.

The previous prime is 77733727. The next prime is 77733749. The reversal of 77733748 is 84733777.

It is a junction number, because it is equal to n+sod(n) for n = 77733698 and 77733707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77733749) 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 3 ways as a sum of consecutive naturals, for example, 10458 + ... + 16273.

Almost surely, 2^77733748 is an apocalyptic number.

It is an amenable number.

77733748 is a deficient number, since it is larger than the sum of its proper divisors (58492524).

77733748 is a wasteful number, since it uses less digits than its factorization.

77733748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27462 (or 27460 counting only the distinct ones).

The product of its digits is 691488, while the sum is 46.

The square root of 77733748 is about 8816.6744297382. The cubic root of 77733748 is about 426.7791584354.

The spelling of 77733748 in words is "seventy-seven million, seven hundred thirty-three thousand, seven hundred forty-eight".